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Finding the Fourth Proportional to 488,684.04, 733,069.80 and 133,699.92

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Solution

The fourth proportional to 488,684.04, 733,069.80 and 133,699.92 is: 200,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,684.04 : 733,069.80 = 133,699.92 : x
  2. Step 2: Convert to fraction form
    488,684.04/733,069.80 = 133,699.92/x
  3. Step 3: Cross multiply
    488,684.04x = 733,069.80 × 133,699.92
  4. Step 4: Simplify right side
    488,684.04x = 98,011,373,614.42
  5. Step 5: Solve for x
    x = 98,011,373,614.42/488,684.04
  6. Step 6: Final answer
    x = 200,561.85

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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.