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Finding the Fourth Proportional to 296,077.80, 444,116.70 and 129,865.80

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Solution

The fourth proportional to 296,077.80, 444,116.70 and 129,865.80 is: 194,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,077.80 : 444,116.70 = 129,865.80 : x
  2. Step 2: Convert to fraction form
    296,077.80/444,116.70 = 129,865.80/x
  3. Step 3: Cross multiply
    296,077.80x = 444,116.70 × 129,865.80
  4. Step 4: Simplify right side
    296,077.80x = 57,675,570,538.86
  5. Step 5: Solve for x
    x = 57,675,570,538.86/296,077.80
  6. Step 6: Final answer
    x = 194,798.70

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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.