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Finding the Fourth Proportional to 372,264.40, 557,737.80 and 359,930.80

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Solution

The fourth proportional to 372,264.40, 557,737.80 and 359,930.80 is: 539,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,264.40 : 557,737.80 = 359,930.80 : x
  2. Step 2: Convert to fraction form
    372,264.40/557,737.80 = 359,930.80/x
  3. Step 3: Cross multiply
    372,264.40x = 557,737.80 × 359,930.80
  4. Step 4: Simplify right side
    372,264.40x = 200,747,012,544.24
  5. Step 5: Solve for x
    x = 200,747,012,544.24/372,264.40
  6. Step 6: Final answer
    x = 539,259.23

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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.