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Finding the Fourth Proportional to 584,891.27, 877,336.85 and 318,875.48

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Solution

The fourth proportional to 584,891.27, 877,336.85 and 318,875.48 is: 478,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,891.27 : 877,336.85 = 318,875.48 : x
  2. Step 2: Convert to fraction form
    584,891.27/877,336.85 = 318,875.48/x
  3. Step 3: Cross multiply
    584,891.27x = 877,336.85 × 318,875.48
  4. Step 4: Simplify right side
    584,891.27x = 279,761,203,184.38
  5. Step 5: Solve for x
    x = 279,761,203,184.38/584,891.27
  6. Step 6: Final answer
    x = 478,313.18

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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.