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Finding the Fourth Proportional to 348,235.20, 522,352.80 and 111,601.80

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Solution

The fourth proportional to 348,235.20, 522,352.80 and 111,601.80 is: 167,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,235.20 : 522,352.80 = 111,601.80 : x
  2. Step 2: Convert to fraction form
    348,235.20/522,352.80 = 111,601.80/x
  3. Step 3: Cross multiply
    348,235.20x = 522,352.80 × 111,601.80
  4. Step 4: Simplify right side
    348,235.20x = 58,295,512,715.04
  5. Step 5: Solve for x
    x = 58,295,512,715.04/348,235.20
  6. Step 6: Final answer
    x = 167,402.70

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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.