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Finding the Fourth Proportional to 524,853.88, 787,405.76 and 169,867.90

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Solution

The fourth proportional to 524,853.88, 787,405.76 and 169,867.90 is: 254,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,853.88 : 787,405.76 = 169,867.90 : x
  2. Step 2: Convert to fraction form
    524,853.88/787,405.76 = 169,867.90/x
  3. Step 3: Cross multiply
    524,853.88x = 787,405.76 × 169,867.90
  4. Step 4: Simplify right side
    524,853.88x = 133,754,963,671.03
  5. Step 5: Solve for x
    x = 133,754,963,671.03/524,853.88
  6. Step 6: Final answer
    x = 254,842.29

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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.