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Finding the Fourth Proportional to 534,359.89, 737,458.86 and 304,864.48

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Solution

The fourth proportional to 534,359.89, 737,458.86 and 304,864.48 is: 420,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,359.89 : 737,458.86 = 304,864.48 : x
  2. Step 2: Convert to fraction form
    534,359.89/737,458.86 = 304,864.48/x
  3. Step 3: Cross multiply
    534,359.89x = 737,458.86 × 304,864.48
  4. Step 4: Simplify right side
    534,359.89x = 224,825,011,875.29
  5. Step 5: Solve for x
    x = 224,825,011,875.29/534,359.89
  6. Step 6: Final answer
    x = 420,737.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.