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Finding the Fourth Proportional to 266,410.76, 367,672.28 and 145,570.42

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Solution

The fourth proportional to 266,410.76, 367,672.28 and 145,570.42 is: 200,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,410.76 : 367,672.28 = 145,570.42 : x
  2. Step 2: Convert to fraction form
    266,410.76/367,672.28 = 145,570.42/x
  3. Step 3: Cross multiply
    266,410.76x = 367,672.28 × 145,570.42
  4. Step 4: Simplify right side
    266,410.76x = 53,522,208,221.96
  5. Step 5: Solve for x
    x = 53,522,208,221.96/266,410.76
  6. Step 6: Final answer
    x = 200,901.08

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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.