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Finding the Fourth Proportional to 266,423.65, 367,660.34 and 145,562.34

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Solution

The fourth proportional to 266,423.65, 367,660.34 and 145,562.34 is: 200,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423.65 : 367,660.34 = 145,562.34 : x
  2. Step 2: Convert to fraction form
    266,423.65/367,660.34 = 145,562.34/x
  3. Step 3: Cross multiply
    266,423.65x = 367,660.34 × 145,562.34
  4. Step 4: Simplify right side
    266,423.65x = 53,517,499,415.60
  5. Step 5: Solve for x
    x = 53,517,499,415.60/266,423.65
  6. Step 6: Final answer
    x = 200,873.68

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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.