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Finding the Fourth Proportional to 880,337.60, 1,323,325.20 and 817,935.20

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Solution

The fourth proportional to 880,337.60, 1,323,325.20 and 817,935.20 is: 1,229,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,337.60 : 1,323,325.20 = 817,935.20 : x
  2. Step 2: Convert to fraction form
    880,337.60/1,323,325.20 = 817,935.20/x
  3. Step 3: Cross multiply
    880,337.60x = 1,323,325.20 × 817,935.20
  4. Step 4: Simplify right side
    880,337.60x = 1,082,394,262,127.04
  5. Step 5: Solve for x
    x = 1,082,394,262,127.04/880,337.60
  6. Step 6: Final answer
    x = 1,229,521.79

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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.