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Finding the Fourth Proportional to 637,250.70, 955,878.46 and 258,178.52

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Solution

The fourth proportional to 637,250.70, 955,878.46 and 258,178.52 is: 387,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,250.70 : 955,878.46 = 258,178.52 : x
  2. Step 2: Convert to fraction form
    637,250.70/955,878.46 = 258,178.52/x
  3. Step 3: Cross multiply
    637,250.70x = 955,878.46 × 258,178.52
  4. Step 4: Simplify right side
    637,250.70x = 246,787,286,102.68
  5. Step 5: Solve for x
    x = 246,787,286,102.68/637,250.70
  6. Step 6: Final answer
    x = 387,268.76

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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.