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Finding the Fourth Proportional to 242,348.20, 362,744.70 and 172,364.20

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Solution

The fourth proportional to 242,348.20, 362,744.70 and 172,364.20 is: 257,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,348.20 : 362,744.70 = 172,364.20 : x
  2. Step 2: Convert to fraction form
    242,348.20/362,744.70 = 172,364.20/x
  3. Step 3: Cross multiply
    242,348.20x = 362,744.70 × 172,364.20
  4. Step 4: Simplify right side
    242,348.20x = 62,524,200,019.74
  5. Step 5: Solve for x
    x = 62,524,200,019.74/242,348.20
  6. Step 6: Final answer
    x = 257,993.25

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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.