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Finding the Fourth Proportional to 488,045.30, 732,046.37 and 133,059.35

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Solution

The fourth proportional to 488,045.30, 732,046.37 and 133,059.35 is: 199,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,045.30 : 732,046.37 = 133,059.35 : x
  2. Step 2: Convert to fraction form
    488,045.30/732,046.37 = 133,059.35/x
  3. Step 3: Cross multiply
    488,045.30x = 732,046.37 × 133,059.35
  4. Step 4: Simplify right side
    488,045.30x = 97,405,615,825.85
  5. Step 5: Solve for x
    x = 97,405,615,825.85/488,045.30
  6. Step 6: Final answer
    x = 199,583.15

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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.