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Finding the Fourth Proportional to 524,671.76, 787,032.26 and 169,713.48

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Solution

The fourth proportional to 524,671.76, 787,032.26 and 169,713.48 is: 254,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,671.76 : 787,032.26 = 169,713.48 : x
  2. Step 2: Convert to fraction form
    524,671.76/787,032.26 = 169,713.48/x
  3. Step 3: Cross multiply
    524,671.76x = 787,032.26 × 169,713.48
  4. Step 4: Simplify right side
    524,671.76x = 133,569,983,716.87
  5. Step 5: Solve for x
    x = 133,569,983,716.87/524,671.76
  6. Step 6: Final answer
    x = 254,578.18

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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.