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Finding the Fourth Proportional to 410,086.12, 565,812.12 and 240,229.12

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Solution

The fourth proportional to 410,086.12, 565,812.12 and 240,229.12 is: 331,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,086.12 : 565,812.12 = 240,229.12 : x
  2. Step 2: Convert to fraction form
    410,086.12/565,812.12 = 240,229.12/x
  3. Step 3: Cross multiply
    410,086.12x = 565,812.12 × 240,229.12
  4. Step 4: Simplify right side
    410,086.12x = 135,924,547,672.93
  5. Step 5: Solve for x
    x = 135,924,547,672.93/410,086.12
  6. Step 6: Final answer
    x = 331,453.67

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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.