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Finding the Fourth Proportional to 537,036.86, 740,929.47 and 304,438.85

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Solution

The fourth proportional to 537,036.86, 740,929.47 and 304,438.85 is: 420,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,036.86 : 740,929.47 = 304,438.85 : x
  2. Step 2: Convert to fraction form
    537,036.86/740,929.47 = 304,438.85/x
  3. Step 3: Cross multiply
    537,036.86x = 740,929.47 × 304,438.85
  4. Step 4: Simplify right side
    537,036.86x = 225,567,715,169.19
  5. Step 5: Solve for x
    x = 225,567,715,169.19/537,036.86
  6. Step 6: Final answer
    x = 420,022.78

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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.