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Finding the Fourth Proportional to 266,484.51, 367,753.43 and 145,630.89

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Solution

The fourth proportional to 266,484.51, 367,753.43 and 145,630.89 is: 200,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,484.51 : 367,753.43 = 145,630.89 : x
  2. Step 2: Convert to fraction form
    266,484.51/367,753.43 = 145,630.89/x
  3. Step 3: Cross multiply
    266,484.51x = 367,753.43 × 145,630.89
  4. Step 4: Simplify right side
    266,484.51x = 53,556,259,311.45
  5. Step 5: Solve for x
    x = 53,556,259,311.45/266,484.51
  6. Step 6: Final answer
    x = 200,973.25

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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.