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Finding the Fourth Proportional to 348,002.70, 522,004.05 and 170,855.70

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Solution

The fourth proportional to 348,002.70, 522,004.05 and 170,855.70 is: 256,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,002.70 : 522,004.05 = 170,855.70 : x
  2. Step 2: Convert to fraction form
    348,002.70/522,004.05 = 170,855.70/x
  3. Step 3: Cross multiply
    348,002.70x = 522,004.05 × 170,855.70
  4. Step 4: Simplify right side
    348,002.70x = 89,187,367,365.59
  5. Step 5: Solve for x
    x = 89,187,367,365.59/348,002.70
  6. Step 6: Final answer
    x = 256,283.55

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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.