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Finding the Fourth Proportional to 574,291.52, 861,560.36 and 174,964.48

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Solution

The fourth proportional to 574,291.52, 861,560.36 and 174,964.48 is: 262,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,291.52 : 861,560.36 = 174,964.48 : x
  2. Step 2: Convert to fraction form
    574,291.52/861,560.36 = 174,964.48/x
  3. Step 3: Cross multiply
    574,291.52x = 861,560.36 × 174,964.48
  4. Step 4: Simplify right side
    574,291.52x = 150,742,460,376.01
  5. Step 5: Solve for x
    x = 150,742,460,376.01/574,291.52
  6. Step 6: Final answer
    x = 262,484.22

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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.