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Finding the Fourth Proportional to 488,369.38, 732,581.76 and 151,457.95

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Solution

The fourth proportional to 488,369.38, 732,581.76 and 151,457.95 is: 227,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,369.38 : 732,581.76 = 151,457.95 : x
  2. Step 2: Convert to fraction form
    488,369.38/732,581.76 = 151,457.95/x
  3. Step 3: Cross multiply
    488,369.38x = 732,581.76 × 151,457.95
  4. Step 4: Simplify right side
    488,369.38x = 110,955,331,576.99
  5. Step 5: Solve for x
    x = 110,955,331,576.99/488,369.38
  6. Step 6: Final answer
    x = 227,195.51

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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.