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Finding the Fourth Proportional to 372,785.60, 558,625.44 and 273,805.76

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Solution

The fourth proportional to 372,785.60, 558,625.44 and 273,805.76 is: 410,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,785.60 : 558,625.44 = 273,805.76 : x
  2. Step 2: Convert to fraction form
    372,785.60/558,625.44 = 273,805.76/x
  3. Step 3: Cross multiply
    372,785.60x = 558,625.44 × 273,805.76
  4. Step 4: Simplify right side
    372,785.60x = 152,954,863,154.53
  5. Step 5: Solve for x
    x = 152,954,863,154.53/372,785.60
  6. Step 6: Final answer
    x = 410,302.50

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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.