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Finding the Fourth Proportional to 266,368.62, 367,596.63 and 145,511.91

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Solution

The fourth proportional to 266,368.62, 367,596.63 and 145,511.91 is: 200,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,368.62 : 367,596.63 = 145,511.91 : x
  2. Step 2: Convert to fraction form
    266,368.62/367,596.63 = 145,511.91/x
  3. Step 3: Cross multiply
    266,368.62x = 367,596.63 × 145,511.91
  4. Step 4: Simplify right side
    266,368.62x = 53,489,687,740.86
  5. Step 5: Solve for x
    x = 53,489,687,740.86/266,368.62
  6. Step 6: Final answer
    x = 200,810.77

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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.