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Finding the Fourth Proportional to 524,881.92, 787,447.80 and 169,895.90

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Solution

The fourth proportional to 524,881.92, 787,447.80 and 169,895.90 is: 254,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,881.92 : 787,447.80 = 169,895.90 : x
  2. Step 2: Convert to fraction form
    524,881.92/787,447.80 = 169,895.90/x
  3. Step 3: Cross multiply
    524,881.92x = 787,447.80 × 169,895.90
  4. Step 4: Simplify right side
    524,881.92x = 133,784,152,684.02
  5. Step 5: Solve for x
    x = 133,784,152,684.02/524,881.92
  6. Step 6: Final answer
    x = 254,884.28

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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.