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Finding the Fourth Proportional to 532,346.88, 798,126.65 and 321,938.04

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Solution

The fourth proportional to 532,346.88, 798,126.65 and 321,938.04 is: 482,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,346.88 : 798,126.65 = 321,938.04 : x
  2. Step 2: Convert to fraction form
    532,346.88/798,126.65 = 321,938.04/x
  3. Step 3: Cross multiply
    532,346.88x = 798,126.65 × 321,938.04
  4. Step 4: Simplify right side
    532,346.88x = 256,947,326,186.98
  5. Step 5: Solve for x
    x = 256,947,326,186.98/532,346.88
  6. Step 6: Final answer
    x = 482,668.99

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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.