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Finding the Fourth Proportional to 348,027.20, 522,040.80 and 170,880.20

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Solution

The fourth proportional to 348,027.20, 522,040.80 and 170,880.20 is: 256,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,027.20 : 522,040.80 = 170,880.20 : x
  2. Step 2: Convert to fraction form
    348,027.20/522,040.80 = 170,880.20/x
  3. Step 3: Cross multiply
    348,027.20x = 522,040.80 × 170,880.20
  4. Step 4: Simplify right side
    348,027.20x = 89,206,436,312.16
  5. Step 5: Solve for x
    x = 89,206,436,312.16/348,027.20
  6. Step 6: Final answer
    x = 256,320.30

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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.