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Finding the Fourth Proportional to 594,398.28, 891,729.90 and 278,686.92

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Solution

The fourth proportional to 594,398.28, 891,729.90 and 278,686.92 is: 418,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,398.28 : 891,729.90 = 278,686.92 : x
  2. Step 2: Convert to fraction form
    594,398.28/891,729.90 = 278,686.92/x
  3. Step 3: Cross multiply
    594,398.28x = 891,729.90 × 278,686.92
  4. Step 4: Simplify right side
    594,398.28x = 248,513,459,302.91
  5. Step 5: Solve for x
    x = 248,513,459,302.91/594,398.28
  6. Step 6: Final answer
    x = 418,092.49

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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.