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Finding the Fourth Proportional to 370,205.58, 555,308.39 and 89,722.83

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Solution

The fourth proportional to 370,205.58, 555,308.39 and 89,722.83 is: 134,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,205.58 : 555,308.39 = 89,722.83 : x
  2. Step 2: Convert to fraction form
    370,205.58/555,308.39 = 89,722.83/x
  3. Step 3: Cross multiply
    370,205.58x = 555,308.39 × 89,722.83
  4. Step 4: Simplify right side
    370,205.58x = 49,823,840,273.54
  5. Step 5: Solve for x
    x = 49,823,840,273.54/370,205.58
  6. Step 6: Final answer
    x = 134,584.25

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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.