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Finding the Fourth Proportional to 245,824.80, 368,591.40 and 127,726.80

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Solution

The fourth proportional to 245,824.80, 368,591.40 and 127,726.80 is: 191,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,824.80 : 368,591.40 = 127,726.80 : x
  2. Step 2: Convert to fraction form
    245,824.80/368,591.40 = 127,726.80/x
  3. Step 3: Cross multiply
    245,824.80x = 368,591.40 × 127,726.80
  4. Step 4: Simplify right side
    245,824.80x = 47,079,000,029.52
  5. Step 5: Solve for x
    x = 47,079,000,029.52/245,824.80
  6. Step 6: Final answer
    x = 191,514.44

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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.