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Finding the Fourth Proportional to 604,976.10, 907,464.15 and 394,851.30

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Solution

The fourth proportional to 604,976.10, 907,464.15 and 394,851.30 is: 592,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,976.10 : 907,464.15 = 394,851.30 : x
  2. Step 2: Convert to fraction form
    604,976.10/907,464.15 = 394,851.30/x
  3. Step 3: Cross multiply
    604,976.10x = 907,464.15 × 394,851.30
  4. Step 4: Simplify right side
    604,976.10x = 358,313,399,330.90
  5. Step 5: Solve for x
    x = 358,313,399,330.90/604,976.10
  6. Step 6: Final answer
    x = 592,276.95

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Double scale
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Similar ratio
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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.