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Finding the Fourth Proportional to 266,315.65, 367,523.63 and 145,463.45

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Solution

The fourth proportional to 266,315.65, 367,523.63 and 145,463.45 is: 200,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,315.65 : 367,523.63 = 145,463.45 : x
  2. Step 2: Convert to fraction form
    266,315.65/367,523.63 = 145,463.45/x
  3. Step 3: Cross multiply
    266,315.65x = 367,523.63 × 145,463.45
  4. Step 4: Simplify right side
    266,315.65x = 53,461,253,156.88
  5. Step 5: Solve for x
    x = 53,461,253,156.88/266,315.65
  6. Step 6: Final answer
    x = 200,743.94

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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.