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Finding the Fourth Proportional to 867,337.20, 1,301,005.80 and 804,351.60

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Solution

The fourth proportional to 867,337.20, 1,301,005.80 and 804,351.60 is: 1,206,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,337.20 : 1,301,005.80 = 804,351.60 : x
  2. Step 2: Convert to fraction form
    867,337.20/1,301,005.80 = 804,351.60/x
  3. Step 3: Cross multiply
    867,337.20x = 1,301,005.80 × 804,351.60
  4. Step 4: Simplify right side
    867,337.20x = 1,046,466,096,839.28
  5. Step 5: Solve for x
    x = 1,046,466,096,839.28/867,337.20
  6. Step 6: Final answer
    x = 1,206,527.40

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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.