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Finding the Fourth Proportional to 584,907.28, 877,360.80 and 318,891.52

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Solution

The fourth proportional to 584,907.28, 877,360.80 and 318,891.52 is: 478,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,907.28 : 877,360.80 = 318,891.52 : x
  2. Step 2: Convert to fraction form
    584,907.28/877,360.80 = 318,891.52/x
  3. Step 3: Cross multiply
    584,907.28x = 877,360.80 × 318,891.52
  4. Step 4: Simplify right side
    584,907.28x = 279,782,919,100.42
  5. Step 5: Solve for x
    x = 279,782,919,100.42/584,907.28
  6. Step 6: Final answer
    x = 478,337.21

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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.