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Finding the Fourth Proportional to 266,332.86, 367,538.93 and 145,474.15

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Solution

The fourth proportional to 266,332.86, 367,538.93 and 145,474.15 is: 200,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,332.86 : 367,538.93 = 145,474.15 : x
  2. Step 2: Convert to fraction form
    266,332.86/367,538.93 = 145,474.15/x
  3. Step 3: Cross multiply
    266,332.86x = 367,538.93 × 145,474.15
  4. Step 4: Simplify right side
    266,332.86x = 53,467,411,595.96
  5. Step 5: Solve for x
    x = 53,467,411,595.96/266,332.86
  6. Step 6: Final answer
    x = 200,754.09

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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.