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Finding the Fourth Proportional to 273,890.80, 410,836.20 and 185,417.20

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Solution

The fourth proportional to 273,890.80, 410,836.20 and 185,417.20 is: 278,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,890.80 : 410,836.20 = 185,417.20 : x
  2. Step 2: Convert to fraction form
    273,890.80/410,836.20 = 185,417.20/x
  3. Step 3: Cross multiply
    273,890.80x = 410,836.20 × 185,417.20
  4. Step 4: Simplify right side
    273,890.80x = 76,176,097,862.64
  5. Step 5: Solve for x
    x = 76,176,097,862.64/273,890.80
  6. Step 6: Final answer
    x = 278,125.80

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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.