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Finding the Fourth Proportional to 370,330.33, 555,524.30 and 121,037.53

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Solution

The fourth proportional to 370,330.33, 555,524.30 and 121,037.53 is: 181,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,330.33 : 555,524.30 = 121,037.53 : x
  2. Step 2: Convert to fraction form
    370,330.33/555,524.30 = 121,037.53/x
  3. Step 3: Cross multiply
    370,330.33x = 555,524.30 × 121,037.53
  4. Step 4: Simplify right side
    370,330.33x = 67,239,288,521.79
  5. Step 5: Solve for x
    x = 67,239,288,521.79/370,330.33
  6. Step 6: Final answer
    x = 181,565.71

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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.