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Finding the Fourth Proportional to 552,570.12, 762,484.97 and 310,847.69

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Solution

The fourth proportional to 552,570.12, 762,484.97 and 310,847.69 is: 428,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,570.12 : 762,484.97 = 310,847.69 : x
  2. Step 2: Convert to fraction form
    552,570.12/762,484.97 = 310,847.69/x
  3. Step 3: Cross multiply
    552,570.12x = 762,484.97 × 310,847.69
  4. Step 4: Simplify right side
    552,570.12x = 237,016,686,217.56
  5. Step 5: Solve for x
    x = 237,016,686,217.56/552,570.12
  6. Step 6: Final answer
    x = 428,935.04

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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.