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Finding the Fourth Proportional to 524,350.38, 786,542.98 and 145,274.92

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Solution

The fourth proportional to 524,350.38, 786,542.98 and 145,274.92 is: 217,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,350.38 : 786,542.98 = 145,274.92 : x
  2. Step 2: Convert to fraction form
    524,350.38/786,542.98 = 145,274.92/x
  3. Step 3: Cross multiply
    524,350.38x = 786,542.98 × 145,274.92
  4. Step 4: Simplify right side
    524,350.38x = 114,264,968,496.06
  5. Step 5: Solve for x
    x = 114,264,968,496.06/524,350.38
  6. Step 6: Final answer
    x = 217,917.20

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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.