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Finding the Fourth Proportional to 481,801.70, 722,702.55 and 463,430.90

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Solution

The fourth proportional to 481,801.70, 722,702.55 and 463,430.90 is: 695,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,801.70 : 722,702.55 = 463,430.90 : x
  2. Step 2: Convert to fraction form
    481,801.70/722,702.55 = 463,430.90/x
  3. Step 3: Cross multiply
    481,801.70x = 722,702.55 × 463,430.90
  4. Step 4: Simplify right side
    481,801.70x = 334,922,693,178.80
  5. Step 5: Solve for x
    x = 334,922,693,178.80/481,801.70
  6. Step 6: Final answer
    x = 695,146.35

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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.