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Finding the Fourth Proportional to 348,003.80, 522,005.70 and 180,042.20

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Solution

The fourth proportional to 348,003.80, 522,005.70 and 180,042.20 is: 270,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,003.80 : 522,005.70 = 180,042.20 : x
  2. Step 2: Convert to fraction form
    348,003.80/522,005.70 = 180,042.20/x
  3. Step 3: Cross multiply
    348,003.80x = 522,005.70 × 180,042.20
  4. Step 4: Simplify right side
    348,003.80x = 93,983,054,640.54
  5. Step 5: Solve for x
    x = 93,983,054,640.54/348,003.80
  6. Step 6: Final answer
    x = 270,063.30

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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.