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Finding the Fourth Proportional to 584,704.72, 806,892.51 and 316,432.72

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Solution

The fourth proportional to 584,704.72, 806,892.51 and 316,432.72 is: 436,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,704.72 : 806,892.51 = 316,432.72 : x
  2. Step 2: Convert to fraction form
    584,704.72/806,892.51 = 316,432.72/x
  3. Step 3: Cross multiply
    584,704.72x = 806,892.51 × 316,432.72
  4. Step 4: Simplify right side
    584,704.72x = 255,327,191,686.93
  5. Step 5: Solve for x
    x = 255,327,191,686.93/584,704.72
  6. Step 6: Final answer
    x = 436,677.15

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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.