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Finding the Fourth Proportional to 584,891.89, 877,337.79 and 318,876.10

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Solution

The fourth proportional to 584,891.89, 877,337.79 and 318,876.10 is: 478,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,891.89 : 877,337.79 = 318,876.10 : x
  2. Step 2: Convert to fraction form
    584,891.89/877,337.79 = 318,876.10/x
  3. Step 3: Cross multiply
    584,891.89x = 877,337.79 × 318,876.10
  4. Step 4: Simplify right side
    584,891.89x = 279,762,052,857.82
  5. Step 5: Solve for x
    x = 279,762,052,857.82/584,891.89
  6. Step 6: Final answer
    x = 478,314.13

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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.