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Finding the Fourth Proportional to 575,761.60, 794,942.40 and 372,304.72

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Solution

The fourth proportional to 575,761.60, 794,942.40 and 372,304.72 is: 514,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,761.60 : 794,942.40 = 372,304.72 : x
  2. Step 2: Convert to fraction form
    575,761.60/794,942.40 = 372,304.72/x
  3. Step 3: Cross multiply
    575,761.60x = 794,942.40 × 372,304.72
  4. Step 4: Simplify right side
    575,761.60x = 295,960,807,648.13
  5. Step 5: Solve for x
    x = 295,960,807,648.13/575,761.60
  6. Step 6: Final answer
    x = 514,033.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.