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Finding the Fourth Proportional to 575,113.97, 862,671.87 and 574,283.52

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Solution

The fourth proportional to 575,113.97, 862,671.87 and 574,283.52 is: 861,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,113.97 : 862,671.87 = 574,283.52 : x
  2. Step 2: Convert to fraction form
    575,113.97/862,671.87 = 574,283.52/x
  3. Step 3: Cross multiply
    575,113.97x = 862,671.87 × 574,283.52
  4. Step 4: Simplify right side
    575,113.97x = 495,418,238,108.58
  5. Step 5: Solve for x
    x = 495,418,238,108.58/575,113.97
  6. Step 6: Final answer
    x = 861,426.19

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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.