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Finding the Fourth Proportional to 296,329.80, 444,494.70 and 74,713.80

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Solution

The fourth proportional to 296,329.80, 444,494.70 and 74,713.80 is: 112,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,329.80 : 444,494.70 = 74,713.80 : x
  2. Step 2: Convert to fraction form
    296,329.80/444,494.70 = 74,713.80/x
  3. Step 3: Cross multiply
    296,329.80x = 444,494.70 × 74,713.80
  4. Step 4: Simplify right side
    296,329.80x = 33,209,888,116.86
  5. Step 5: Solve for x
    x = 33,209,888,116.86/296,329.80
  6. Step 6: Final answer
    x = 112,070.70

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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.