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Finding the Fourth Proportional to 348,002.60, 522,101.10 and 170,515.40

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Solution

The fourth proportional to 348,002.60, 522,101.10 and 170,515.40 is: 255,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,002.60 : 522,101.10 = 170,515.40 : x
  2. Step 2: Convert to fraction form
    348,002.60/522,101.10 = 170,515.40/x
  3. Step 3: Cross multiply
    348,002.60x = 522,101.10 × 170,515.40
  4. Step 4: Simplify right side
    348,002.60x = 89,026,277,906.94
  5. Step 5: Solve for x
    x = 89,026,277,906.94/348,002.60
  6. Step 6: Final answer
    x = 255,820.73

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1.5x scale

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.