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Finding the Fourth Proportional to 266,294.16, 367,488.72 and 145,438.92

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Solution

The fourth proportional to 266,294.16, 367,488.72 and 145,438.92 is: 200,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,294.16 : 367,488.72 = 145,438.92 : x
  2. Step 2: Convert to fraction form
    266,294.16/367,488.72 = 145,438.92/x
  3. Step 3: Cross multiply
    266,294.16x = 367,488.72 × 145,438.92
  4. Step 4: Simplify right side
    266,294.16x = 53,447,162,548.98
  5. Step 5: Solve for x
    x = 53,447,162,548.98/266,294.16
  6. Step 6: Final answer
    x = 200,707.23

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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.