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Finding the Fourth Proportional to 247,237.20, 346,919.40 and 247,237.20

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Solution

The fourth proportional to 247,237.20, 346,919.40 and 247,237.20 is: 346,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,237.20 : 346,919.40 = 247,237.20 : x
  2. Step 2: Convert to fraction form
    247,237.20/346,919.40 = 247,237.20/x
  3. Step 3: Cross multiply
    247,237.20x = 346,919.40 × 247,237.20
  4. Step 4: Simplify right side
    247,237.20x = 85,771,381,081.68
  5. Step 5: Solve for x
    x = 85,771,381,081.68/247,237.20
  6. Step 6: Final answer
    x = 346,919.40

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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.