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Finding the Fourth Proportional to 488,374.85, 732,644.64 and 168,441.14

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Solution

The fourth proportional to 488,374.85, 732,644.64 and 168,441.14 is: 252,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,374.85 : 732,644.64 = 168,441.14 : x
  2. Step 2: Convert to fraction form
    488,374.85/732,644.64 = 168,441.14/x
  3. Step 3: Cross multiply
    488,374.85x = 732,644.64 × 168,441.14
  4. Step 4: Simplify right side
    488,374.85x = 123,407,500,208.10
  5. Step 5: Solve for x
    x = 123,407,500,208.10/488,374.85
  6. Step 6: Final answer
    x = 252,690.12

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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.