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Finding the Fourth Proportional to 618,508.30, 927,762.45 and 618,508.30

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Solution

The fourth proportional to 618,508.30, 927,762.45 and 618,508.30 is: 927,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,508.30 : 927,762.45 = 618,508.30 : x
  2. Step 2: Convert to fraction form
    618,508.30/927,762.45 = 618,508.30/x
  3. Step 3: Cross multiply
    618,508.30x = 927,762.45 × 618,508.30
  4. Step 4: Simplify right side
    618,508.30x = 573,828,775,753.34
  5. Step 5: Solve for x
    x = 573,828,775,753.34/618,508.30
  6. Step 6: Final answer
    x = 927,762.45

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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.