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Finding the Fourth Proportional to 618,305.40, 927,458.10 and 466,746.30

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Solution

The fourth proportional to 618,305.40, 927,458.10 and 466,746.30 is: 700,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,305.40 : 927,458.10 = 466,746.30 : x
  2. Step 2: Convert to fraction form
    618,305.40/927,458.10 = 466,746.30/x
  3. Step 3: Cross multiply
    618,305.40x = 927,458.10 × 466,746.30
  4. Step 4: Simplify right side
    618,305.40x = 432,887,636,580.03
  5. Step 5: Solve for x
    x = 432,887,636,580.03/618,305.40
  6. Step 6: Final answer
    x = 700,119.45

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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.