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Finding the Fourth Proportional to 247,070.80, 370,606.20 and 223,451.20

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Solution

The fourth proportional to 247,070.80, 370,606.20 and 223,451.20 is: 335,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,070.80 : 370,606.20 = 223,451.20 : x
  2. Step 2: Convert to fraction form
    247,070.80/370,606.20 = 223,451.20/x
  3. Step 3: Cross multiply
    247,070.80x = 370,606.20 × 223,451.20
  4. Step 4: Simplify right side
    247,070.80x = 82,812,400,117.44
  5. Step 5: Solve for x
    x = 82,812,400,117.44/247,070.80
  6. Step 6: Final answer
    x = 335,176.80

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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.