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Finding the Fourth Proportional to 410,471.96, 566,139.48 and 353,207.18

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Solution

The fourth proportional to 410,471.96, 566,139.48 and 353,207.18 is: 487,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,471.96 : 566,139.48 = 353,207.18 : x
  2. Step 2: Convert to fraction form
    410,471.96/566,139.48 = 353,207.18/x
  3. Step 3: Cross multiply
    410,471.96x = 566,139.48 × 353,207.18
  4. Step 4: Simplify right side
    410,471.96x = 199,964,529,308.29
  5. Step 5: Solve for x
    x = 199,964,529,308.29/410,471.96
  6. Step 6: Final answer
    x = 487,157.59

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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.