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Finding the Fourth Proportional to 441,543.94, 662,322.12 and 126,000.88

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Solution

The fourth proportional to 441,543.94, 662,322.12 and 126,000.88 is: 189,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,543.94 : 662,322.12 = 126,000.88 : x
  2. Step 2: Convert to fraction form
    441,543.94/662,322.12 = 126,000.88/x
  3. Step 3: Cross multiply
    441,543.94x = 662,322.12 × 126,000.88
  4. Step 4: Simplify right side
    441,543.94x = 83,453,169,963.47
  5. Step 5: Solve for x
    x = 83,453,169,963.47/441,543.94
  6. Step 6: Final answer
    x = 189,003.09

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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.