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Finding the Fourth Proportional to 574,141.32, 861,396.36 and 174,859.32

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Solution

The fourth proportional to 574,141.32, 861,396.36 and 174,859.32 is: 262,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,141.32 : 861,396.36 = 174,859.32 : x
  2. Step 2: Convert to fraction form
    574,141.32/861,396.36 = 174,859.32/x
  3. Step 3: Cross multiply
    574,141.32x = 861,396.36 × 174,859.32
  4. Step 4: Simplify right side
    574,141.32x = 150,623,181,760.08
  5. Step 5: Solve for x
    x = 150,623,181,760.08/574,141.32
  6. Step 6: Final answer
    x = 262,345.13

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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.