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Finding the Fourth Proportional to 3,171,073.04, 4,374,835.08 and 1,812,217.04

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Solution

The fourth proportional to 3,171,073.04, 4,374,835.08 and 1,812,217.04 is: 2,500,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,073.04 : 4,374,835.08 = 1,812,217.04 : x
  2. Step 2: Convert to fraction form
    3,171,073.04/4,374,835.08 = 1,812,217.04/x
  3. Step 3: Cross multiply
    3,171,073.04x = 4,374,835.08 × 1,812,217.04
  4. Step 4: Simplify right side
    3,171,073.04x = 7,928,150,679,165.76
  5. Step 5: Solve for x
    x = 7,928,150,679,165.76/3,171,073.04
  6. Step 6: Final answer
    x = 2,500,147.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.