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Finding the Fourth Proportional to 543,763.80, 751,022.28 and 362,176.92

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Solution

The fourth proportional to 543,763.80, 751,022.28 and 362,176.92 is: 500,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,763.80 : 751,022.28 = 362,176.92 : x
  2. Step 2: Convert to fraction form
    543,763.80/751,022.28 = 362,176.92/x
  3. Step 3: Cross multiply
    543,763.80x = 751,022.28 × 362,176.92
  4. Step 4: Simplify right side
    543,763.80x = 272,002,936,221.78
  5. Step 5: Solve for x
    x = 272,002,936,221.78/543,763.80
  6. Step 6: Final answer
    x = 500,222.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.