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Finding the Fourth Proportional to 374,370.66, 560,965.50 and 137,387.34

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Solution

The fourth proportional to 374,370.66, 560,965.50 and 137,387.34 is: 205,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,370.66 : 560,965.50 = 137,387.34 : x
  2. Step 2: Convert to fraction form
    374,370.66/560,965.50 = 137,387.34/x
  3. Step 3: Cross multiply
    374,370.66x = 560,965.50 × 137,387.34
  4. Step 4: Simplify right side
    374,370.66x = 77,069,557,876.77
  5. Step 5: Solve for x
    x = 77,069,557,876.77/374,370.66
  6. Step 6: Final answer
    x = 205,864.31

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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.