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Finding the Fourth Proportional to 617,902.30, 926,853.45 and 262,927.90

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Solution

The fourth proportional to 617,902.30, 926,853.45 and 262,927.90 is: 394,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,902.30 : 926,853.45 = 262,927.90 : x
  2. Step 2: Convert to fraction form
    617,902.30/926,853.45 = 262,927.90/x
  3. Step 3: Cross multiply
    617,902.30x = 926,853.45 × 262,927.90
  4. Step 4: Simplify right side
    617,902.30x = 243,695,631,216.26
  5. Step 5: Solve for x
    x = 243,695,631,216.26/617,902.30
  6. Step 6: Final answer
    x = 394,391.85

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Double scale
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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.