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Finding the Fourth Proportional to 442,058.50, 610,040.73 and 240,854.50

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Solution

The fourth proportional to 442,058.50, 610,040.73 and 240,854.50 is: 332,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,058.50 : 610,040.73 = 240,854.50 : x
  2. Step 2: Convert to fraction form
    442,058.50/610,040.73 = 240,854.50/x
  3. Step 3: Cross multiply
    442,058.50x = 610,040.73 × 240,854.50
  4. Step 4: Simplify right side
    442,058.50x = 146,931,055,003.79
  5. Step 5: Solve for x
    x = 146,931,055,003.79/442,058.50
  6. Step 6: Final answer
    x = 332,379.21

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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.