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Finding the Fourth Proportional to 409,610.88, 565,369.92 and 266,762.88

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Solution

The fourth proportional to 409,610.88, 565,369.92 and 266,762.88 is: 368,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,610.88 : 565,369.92 = 266,762.88 : x
  2. Step 2: Convert to fraction form
    409,610.88/565,369.92 = 266,762.88/x
  3. Step 3: Cross multiply
    409,610.88x = 565,369.92 × 266,762.88
  4. Step 4: Simplify right side
    409,610.88x = 150,819,708,124.57
  5. Step 5: Solve for x
    x = 150,819,708,124.57/409,610.88
  6. Step 6: Final answer
    x = 368,202.40

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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.