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Finding the Fourth Proportional to 444,005.70, 666,008.55 and 194,687.70

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Solution

The fourth proportional to 444,005.70, 666,008.55 and 194,687.70 is: 292,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,005.70 : 666,008.55 = 194,687.70 : x
  2. Step 2: Convert to fraction form
    444,005.70/666,008.55 = 194,687.70/x
  3. Step 3: Cross multiply
    444,005.70x = 666,008.55 × 194,687.70
  4. Step 4: Simplify right side
    444,005.70x = 129,663,672,779.84
  5. Step 5: Solve for x
    x = 129,663,672,779.84/444,005.70
  6. Step 6: Final answer
    x = 292,031.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.