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Finding the Fourth Proportional to 524,852.14, 787,403.15 and 169,866.16

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Solution

The fourth proportional to 524,852.14, 787,403.15 and 169,866.16 is: 254,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,852.14 : 787,403.15 = 169,866.16 : x
  2. Step 2: Convert to fraction form
    524,852.14/787,403.15 = 169,866.16/x
  3. Step 3: Cross multiply
    524,852.14x = 787,403.15 × 169,866.16
  4. Step 4: Simplify right side
    524,852.14x = 133,753,149,462.40
  5. Step 5: Solve for x
    x = 133,753,149,462.40/524,852.14
  6. Step 6: Final answer
    x = 254,839.68

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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.