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Finding the Fourth Proportional to 574,363.02, 861,479.01 and 153,671.34

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Solution

The fourth proportional to 574,363.02, 861,479.01 and 153,671.34 is: 230,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,363.02 : 861,479.01 = 153,671.34 : x
  2. Step 2: Convert to fraction form
    574,363.02/861,479.01 = 153,671.34/x
  3. Step 3: Cross multiply
    574,363.02x = 861,479.01 × 153,671.34
  4. Step 4: Simplify right side
    574,363.02x = 132,384,633,848.57
  5. Step 5: Solve for x
    x = 132,384,633,848.57/574,363.02
  6. Step 6: Final answer
    x = 230,489.48

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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.