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Finding the Fourth Proportional to 265,459.68, 397,253.70 and 165,666.60

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Solution

The fourth proportional to 265,459.68, 397,253.70 and 165,666.60 is: 247,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,459.68 : 397,253.70 = 165,666.60 : x
  2. Step 2: Convert to fraction form
    265,459.68/397,253.70 = 165,666.60/x
  3. Step 3: Cross multiply
    265,459.68x = 397,253.70 × 165,666.60
  4. Step 4: Simplify right side
    265,459.68x = 65,811,669,816.42
  5. Step 5: Solve for x
    x = 65,811,669,816.42/265,459.68
  6. Step 6: Final answer
    x = 247,915.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.