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Finding the Fourth Proportional to 737,808.80, 1,107,708.24 and 472,088

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Solution

The fourth proportional to 737,808.80, 1,107,708.24 and 472,088 is: 708,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,808.80 : 1,107,708.24 = 472,088 : x
  2. Step 2: Convert to fraction form
    737,808.80/1,107,708.24 = 472,088/x
  3. Step 3: Cross multiply
    737,808.80x = 1,107,708.24 × 472,088
  4. Step 4: Simplify right side
    737,808.80x = 522,935,767,605.12
  5. Step 5: Solve for x
    x = 522,935,767,605.12/737,808.80
  6. Step 6: Final answer
    x = 708,768.68

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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.