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Finding the Fourth Proportional to 382,980.48, 574,555.98 and 116,761.74

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Solution

The fourth proportional to 382,980.48, 574,555.98 and 116,761.74 is: 175,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,980.48 : 574,555.98 = 116,761.74 : x
  2. Step 2: Convert to fraction form
    382,980.48/574,555.98 = 116,761.74/x
  3. Step 3: Cross multiply
    382,980.48x = 574,555.98 × 116,761.74
  4. Step 4: Simplify right side
    382,980.48x = 67,086,155,952.21
  5. Step 5: Solve for x
    x = 67,086,155,952.21/382,980.48
  6. Step 6: Final answer
    x = 175,168.60

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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.