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Finding the Fourth Proportional to 391,750.02, 587,566.71 and 125,482.77

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Solution

The fourth proportional to 391,750.02, 587,566.71 and 125,482.77 is: 188,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,750.02 : 587,566.71 = 125,482.77 : x
  2. Step 2: Convert to fraction form
    391,750.02/587,566.71 = 125,482.77/x
  3. Step 3: Cross multiply
    391,750.02x = 587,566.71 × 125,482.77
  4. Step 4: Simplify right side
    391,750.02x = 73,729,498,330.59
  5. Step 5: Solve for x
    x = 73,729,498,330.59/391,750.02
  6. Step 6: Final answer
    x = 188,205.47

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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.