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Finding the Fourth Proportional to 559,337.95, 771,882.43 and 304,689.14

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Solution

The fourth proportional to 559,337.95, 771,882.43 and 304,689.14 is: 420,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,337.95 : 771,882.43 = 304,689.14 : x
  2. Step 2: Convert to fraction form
    559,337.95/771,882.43 = 304,689.14/x
  3. Step 3: Cross multiply
    559,337.95x = 771,882.43 × 304,689.14
  4. Step 4: Simplify right side
    559,337.95x = 235,184,188,394.95
  5. Step 5: Solve for x
    x = 235,184,188,394.95/559,337.95
  6. Step 6: Final answer
    x = 420,468.86

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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.