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Finding the Fourth Proportional to 574,291.02, 861,559.61 and 174,963.98

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Solution

The fourth proportional to 574,291.02, 861,559.61 and 174,963.98 is: 262,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,291.02 : 861,559.61 = 174,963.98 : x
  2. Step 2: Convert to fraction form
    574,291.02/861,559.61 = 174,963.98/x
  3. Step 3: Cross multiply
    574,291.02x = 861,559.61 × 174,963.98
  4. Step 4: Simplify right side
    574,291.02x = 150,741,898,372.85
  5. Step 5: Solve for x
    x = 150,741,898,372.85/574,291.02
  6. Step 6: Final answer
    x = 262,483.47

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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.