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Finding the Fourth Proportional to 332,017.40, 458,137.80 and 188,761.61

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Solution

The fourth proportional to 332,017.40, 458,137.80 and 188,761.61 is: 260,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,017.40 : 458,137.80 = 188,761.61 : x
  2. Step 2: Convert to fraction form
    332,017.40/458,137.80 = 188,761.61/x
  3. Step 3: Cross multiply
    332,017.40x = 458,137.80 × 188,761.61
  4. Step 4: Simplify right side
    332,017.40x = 86,478,828,729.86
  5. Step 5: Solve for x
    x = 86,478,828,729.86/332,017.40
  6. Step 6: Final answer
    x = 260,464.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.