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Finding the Fourth Proportional to 524,804.40, 787,014 and 187,753.68

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Solution

The fourth proportional to 524,804.40, 787,014 and 187,753.68 is: 281,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,804.40 : 787,014 = 187,753.68 : x
  2. Step 2: Convert to fraction form
    524,804.40/787,014 = 187,753.68/x
  3. Step 3: Cross multiply
    524,804.40x = 787,014 × 187,753.68
  4. Step 4: Simplify right side
    524,804.40x = 147,764,774,711.52
  5. Step 5: Solve for x
    x = 147,764,774,711.52/524,804.40
  6. Step 6: Final answer
    x = 281,561.62

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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.