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Finding the Fourth Proportional to 247,207.20, 346,877.40 and 247,207.20

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Solution

The fourth proportional to 247,207.20, 346,877.40 and 247,207.20 is: 346,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,207.20 : 346,877.40 = 247,207.20 : x
  2. Step 2: Convert to fraction form
    247,207.20/346,877.40 = 247,207.20/x
  3. Step 3: Cross multiply
    247,207.20x = 346,877.40 × 247,207.20
  4. Step 4: Simplify right side
    247,207.20x = 85,750,590,797.28
  5. Step 5: Solve for x
    x = 85,750,590,797.28/247,207.20
  6. Step 6: Final answer
    x = 346,877.40

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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.