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Finding the Fourth Proportional to 574,431.94, 861,772.20 and 175,062.16

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Solution

The fourth proportional to 574,431.94, 861,772.20 and 175,062.16 is: 262,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,431.94 : 861,772.20 = 175,062.16 : x
  2. Step 2: Convert to fraction form
    574,431.94/861,772.20 = 175,062.16/x
  3. Step 3: Cross multiply
    574,431.94x = 861,772.20 × 175,062.16
  4. Step 4: Simplify right side
    574,431.94x = 150,863,702,759.95
  5. Step 5: Solve for x
    x = 150,863,702,759.95/574,431.94
  6. Step 6: Final answer
    x = 262,631.12

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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.