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Finding the Fourth Proportional to 574,088.40, 861,326.18 and 254,196.59

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Solution

The fourth proportional to 574,088.40, 861,326.18 and 254,196.59 is: 381,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,088.40 : 861,326.18 = 254,196.59 : x
  2. Step 2: Convert to fraction form
    574,088.40/861,326.18 = 254,196.59/x
  3. Step 3: Cross multiply
    574,088.40x = 861,326.18 × 254,196.59
  4. Step 4: Simplify right side
    574,088.40x = 218,946,172,256.11
  5. Step 5: Solve for x
    x = 218,946,172,256.11/574,088.40
  6. Step 6: Final answer
    x = 381,380.59

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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.