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Finding the Fourth Proportional to 266,000.80, 367,081.12 and 170,507.68

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Solution

The fourth proportional to 266,000.80, 367,081.12 and 170,507.68 is: 235,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,000.80 : 367,081.12 = 170,507.68 : x
  2. Step 2: Convert to fraction form
    266,000.80/367,081.12 = 170,507.68/x
  3. Step 3: Cross multiply
    266,000.80x = 367,081.12 × 170,507.68
  4. Step 4: Simplify right side
    266,000.80x = 62,590,150,143.00
  5. Step 5: Solve for x
    x = 62,590,150,143.00/266,000.80
  6. Step 6: Final answer
    x = 235,300.61

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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.