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Finding the Fourth Proportional to 266,332.61, 367,538.59 and 145,473.90

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Solution

The fourth proportional to 266,332.61, 367,538.59 and 145,473.90 is: 200,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,332.61 : 367,538.59 = 145,473.90 : x
  2. Step 2: Convert to fraction form
    266,332.61/367,538.59 = 145,473.90/x
  3. Step 3: Cross multiply
    266,332.61x = 367,538.59 × 145,473.90
  4. Step 4: Simplify right side
    266,332.61x = 53,467,269,886.42
  5. Step 5: Solve for x
    x = 53,467,269,886.42/266,332.61
  6. Step 6: Final answer
    x = 200,753.75

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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.