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Finding the Fourth Proportional to 417,124.23, 575,660.91 and 235,837.90

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Solution

The fourth proportional to 417,124.23, 575,660.91 and 235,837.90 is: 325,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,124.23 : 575,660.91 = 235,837.90 : x
  2. Step 2: Convert to fraction form
    417,124.23/575,660.91 = 235,837.90/x
  3. Step 3: Cross multiply
    417,124.23x = 575,660.91 × 235,837.90
  4. Step 4: Simplify right side
    417,124.23x = 135,762,660,126.49
  5. Step 5: Solve for x
    x = 135,762,660,126.49/417,124.23
  6. Step 6: Final answer
    x = 325,472.97

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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.