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Finding the Fourth Proportional to 272,029.60, 408,044.40 and 216,042.40

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Solution

The fourth proportional to 272,029.60, 408,044.40 and 216,042.40 is: 324,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,029.60 : 408,044.40 = 216,042.40 : x
  2. Step 2: Convert to fraction form
    272,029.60/408,044.40 = 216,042.40/x
  3. Step 3: Cross multiply
    272,029.60x = 408,044.40 × 216,042.40
  4. Step 4: Simplify right side
    272,029.60x = 88,154,891,482.56
  5. Step 5: Solve for x
    x = 88,154,891,482.56/272,029.60
  6. Step 6: Final answer
    x = 324,063.60

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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.