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Finding the Fourth Proportional to 524,568.60, 787,436.10 and 325,114.20

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Solution

The fourth proportional to 524,568.60, 787,436.10 and 325,114.20 is: 488,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,568.60 : 787,436.10 = 325,114.20 : x
  2. Step 2: Convert to fraction form
    524,568.60/787,436.10 = 325,114.20/x
  3. Step 3: Cross multiply
    524,568.60x = 787,436.10 × 325,114.20
  4. Step 4: Simplify right side
    524,568.60x = 256,006,657,702.62
  5. Step 5: Solve for x
    x = 256,006,657,702.62/524,568.60
  6. Step 6: Final answer
    x = 488,032.75

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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.