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Finding the Fourth Proportional to 498,925.73, 748,861.74 and 308,811.02

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Solution

The fourth proportional to 498,925.73, 748,861.74 and 308,811.02 is: 463,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,925.73 : 748,861.74 = 308,811.02 : x
  2. Step 2: Convert to fraction form
    498,925.73/748,861.74 = 308,811.02/x
  3. Step 3: Cross multiply
    498,925.73x = 748,861.74 × 308,811.02
  4. Step 4: Simplify right side
    498,925.73x = 231,256,755,372.69
  5. Step 5: Solve for x
    x = 231,256,755,372.69/498,925.73
  6. Step 6: Final answer
    x = 463,509.38

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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.