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Finding the Fourth Proportional to 574,165.80, 861,248.70 and 174,803.40

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Solution

The fourth proportional to 574,165.80, 861,248.70 and 174,803.40 is: 262,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,165.80 : 861,248.70 = 174,803.40 : x
  2. Step 2: Convert to fraction form
    574,165.80/861,248.70 = 174,803.40/x
  3. Step 3: Cross multiply
    574,165.80x = 861,248.70 × 174,803.40
  4. Step 4: Simplify right side
    574,165.80x = 150,549,201,005.58
  5. Step 5: Solve for x
    x = 150,549,201,005.58/574,165.80
  6. Step 6: Final answer
    x = 262,205.10

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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.