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Finding the Fourth Proportional to 498,925.98, 748,862.11 and 308,811.26

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Solution

The fourth proportional to 498,925.98, 748,862.11 and 308,811.26 is: 463,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,925.98 : 748,862.11 = 308,811.26 : x
  2. Step 2: Convert to fraction form
    498,925.98/748,862.11 = 308,811.26/x
  3. Step 3: Cross multiply
    498,925.98x = 748,862.11 × 308,811.26
  4. Step 4: Simplify right side
    498,925.98x = 231,257,050,211.30
  5. Step 5: Solve for x
    x = 231,257,050,211.30/498,925.98
  6. Step 6: Final answer
    x = 463,509.74

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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.