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Finding the Fourth Proportional to 260,221.38, 359,064.69 and 151,349.82

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Solution

The fourth proportional to 260,221.38, 359,064.69 and 151,349.82 is: 208,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,221.38 : 359,064.69 = 151,349.82 : x
  2. Step 2: Convert to fraction form
    260,221.38/359,064.69 = 151,349.82/x
  3. Step 3: Cross multiply
    260,221.38x = 359,064.69 × 151,349.82
  4. Step 4: Simplify right side
    260,221.38x = 54,344,376,199.86
  5. Step 5: Solve for x
    x = 54,344,376,199.86/260,221.38
  6. Step 6: Final answer
    x = 208,839.01

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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.