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Finding the Fourth Proportional to 651,801.90, 977,702.85 and 494,337.90

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Solution

The fourth proportional to 651,801.90, 977,702.85 and 494,337.90 is: 741,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,801.90 : 977,702.85 = 494,337.90 : x
  2. Step 2: Convert to fraction form
    651,801.90/977,702.85 = 494,337.90/x
  3. Step 3: Cross multiply
    651,801.90x = 977,702.85 × 494,337.90
  4. Step 4: Simplify right side
    651,801.90x = 483,315,573,693.02
  5. Step 5: Solve for x
    x = 483,315,573,693.02/651,801.90
  6. Step 6: Final answer
    x = 741,506.85

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Half scale
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Double scale
Find fourth proportional to 651,802.90, 977,704.35 and 494,338.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.