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Finding the Fourth Proportional to 488,518.20, 732,881.82 and 151,551.54

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Solution

The fourth proportional to 488,518.20, 732,881.82 and 151,551.54 is: 227,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,518.20 : 732,881.82 = 151,551.54 : x
  2. Step 2: Convert to fraction form
    488,518.20/732,881.82 = 151,551.54/x
  3. Step 3: Cross multiply
    488,518.20x = 732,881.82 × 151,551.54
  4. Step 4: Simplify right side
    488,518.20x = 111,069,368,459.00
  5. Step 5: Solve for x
    x = 111,069,368,459.00/488,518.20
  6. Step 6: Final answer
    x = 227,359.73

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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.