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Finding the Fourth Proportional to 247,772.40, 347,581.20 and 247,772.40

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Solution

The fourth proportional to 247,772.40, 347,581.20 and 247,772.40 is: 347,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,772.40 : 347,581.20 = 247,772.40 : x
  2. Step 2: Convert to fraction form
    247,772.40/347,581.20 = 247,772.40/x
  3. Step 3: Cross multiply
    247,772.40x = 347,581.20 × 247,772.40
  4. Step 4: Simplify right side
    247,772.40x = 86,121,028,118.88
  5. Step 5: Solve for x
    x = 86,121,028,118.88/247,772.40
  6. Step 6: Final answer
    x = 347,581.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.