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Finding the Fourth Proportional to 482,390.91, 723,438.27 and 333,587.43

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Solution

The fourth proportional to 482,390.91, 723,438.27 and 333,587.43 is: 500,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,390.91 : 723,438.27 = 333,587.43 : x
  2. Step 2: Convert to fraction form
    482,390.91/723,438.27 = 333,587.43/x
  3. Step 3: Cross multiply
    482,390.91x = 723,438.27 × 333,587.43
  4. Step 4: Simplify right side
    482,390.91x = 241,329,913,252.95
  5. Step 5: Solve for x
    x = 241,329,913,252.95/482,390.91
  6. Step 6: Final answer
    x = 500,278.73

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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.