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Finding the Fourth Proportional to 247,206.71, 370,845.59 and 76,441.73

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Solution

The fourth proportional to 247,206.71, 370,845.59 and 76,441.73 is: 114,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.71 : 370,845.59 = 76,441.73 : x
  2. Step 2: Convert to fraction form
    247,206.71/370,845.59 = 76,441.73/x
  3. Step 3: Cross multiply
    247,206.71x = 370,845.59 × 76,441.73
  4. Step 4: Simplify right side
    247,206.71x = 28,348,078,462.47
  5. Step 5: Solve for x
    x = 28,348,078,462.47/247,206.71
  6. Step 6: Final answer
    x = 114,673.58

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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.