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Finding the Fourth Proportional to 524,861.73, 787,417.50 and 169,875.72

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Solution

The fourth proportional to 524,861.73, 787,417.50 and 169,875.72 is: 254,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,861.73 : 787,417.50 = 169,875.72 : x
  2. Step 2: Convert to fraction form
    524,861.73/787,417.50 = 169,875.72/x
  3. Step 3: Cross multiply
    524,861.73x = 787,417.50 × 169,875.72
  4. Step 4: Simplify right side
    524,861.73x = 133,763,114,753.10
  5. Step 5: Solve for x
    x = 133,763,114,753.10/524,861.73
  6. Step 6: Final answer
    x = 254,854.01

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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.