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Finding the Fourth Proportional to 500,589.88, 750,727.80 and 163,553.74

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Solution

The fourth proportional to 500,589.88, 750,727.80 and 163,553.74 is: 245,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,589.88 : 750,727.80 = 163,553.74 : x
  2. Step 2: Convert to fraction form
    500,589.88/750,727.80 = 163,553.74/x
  3. Step 3: Cross multiply
    500,589.88x = 750,727.80 × 163,553.74
  4. Step 4: Simplify right side
    500,589.88x = 122,784,339,411.97
  5. Step 5: Solve for x
    x = 122,784,339,411.97/500,589.88
  6. Step 6: Final answer
    x = 245,279.31

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1.5x scale

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.