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Finding the Fourth Proportional to 266,611.46, 367,924.14 and 153,434.30

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Solution

The fourth proportional to 266,611.46, 367,924.14 and 153,434.30 is: 211,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,611.46 : 367,924.14 = 153,434.30 : x
  2. Step 2: Convert to fraction form
    266,611.46/367,924.14 = 153,434.30/x
  3. Step 3: Cross multiply
    266,611.46x = 367,924.14 × 153,434.30
  4. Step 4: Simplify right side
    266,611.46x = 56,452,181,034.38
  5. Step 5: Solve for x
    x = 56,452,181,034.38/266,611.46
  6. Step 6: Final answer
    x = 211,739.52

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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.