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Finding the Fourth Proportional to 532,665.10, 799,167.81 and 190,877.73

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Solution

The fourth proportional to 532,665.10, 799,167.81 and 190,877.73 is: 286,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,665.10 : 799,167.81 = 190,877.73 : x
  2. Step 2: Convert to fraction form
    532,665.10/799,167.81 = 190,877.73/x
  3. Step 3: Cross multiply
    532,665.10x = 799,167.81 × 190,877.73
  4. Step 4: Simplify right side
    532,665.10x = 152,543,337,461.87
  5. Step 5: Solve for x
    x = 152,543,337,461.87/532,665.10
  6. Step 6: Final answer
    x = 286,377.57

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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.