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Finding the Fourth Proportional to 575,147.73, 862,722.21 and 574,317.09

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Solution

The fourth proportional to 575,147.73, 862,722.21 and 574,317.09 is: 861,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,147.73 : 862,722.21 = 574,317.09 : x
  2. Step 2: Convert to fraction form
    575,147.73/862,722.21 = 574,317.09/x
  3. Step 3: Cross multiply
    575,147.73x = 862,722.21 × 574,317.09
  4. Step 4: Simplify right side
    575,147.73x = 495,476,109,125.57
  5. Step 5: Solve for x
    x = 495,476,109,125.57/575,147.73
  6. Step 6: Final answer
    x = 861,476.25

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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.