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Finding the Fourth Proportional to 575,140.93, 862,712.00 and 574,310.27

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Solution

The fourth proportional to 575,140.93, 862,712.00 and 574,310.27 is: 861,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,140.93 : 862,712.00 = 574,310.27 : x
  2. Step 2: Convert to fraction form
    575,140.93/862,712.00 = 574,310.27/x
  3. Step 3: Cross multiply
    575,140.93x = 862,712.00 × 574,310.27
  4. Step 4: Simplify right side
    575,140.93x = 495,464,358,780.69
  5. Step 5: Solve for x
    x = 495,464,358,780.69/575,140.93
  6. Step 6: Final answer
    x = 861,466.01

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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.