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Finding the Fourth Proportional to 266,262.84, 367,440.86 and 145,404.14

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Solution

The fourth proportional to 266,262.84, 367,440.86 and 145,404.14 is: 200,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,262.84 : 367,440.86 = 145,404.14 : x
  2. Step 2: Convert to fraction form
    266,262.84/367,440.86 = 145,404.14/x
  3. Step 3: Cross multiply
    266,262.84x = 367,440.86 × 145,404.14
  4. Step 4: Simplify right side
    266,262.84x = 53,427,422,249.16
  5. Step 5: Solve for x
    x = 53,427,422,249.16/266,262.84
  6. Step 6: Final answer
    x = 200,656.70

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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.