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Finding the Fourth Proportional to 270,755.46, 373,740.68 and 157,578.21

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Solution

The fourth proportional to 270,755.46, 373,740.68 and 157,578.21 is: 217,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,755.46 : 373,740.68 = 157,578.21 : x
  2. Step 2: Convert to fraction form
    270,755.46/373,740.68 = 157,578.21/x
  3. Step 3: Cross multiply
    270,755.46x = 373,740.68 × 157,578.21
  4. Step 4: Simplify right side
    270,755.46x = 58,893,387,752.53
  5. Step 5: Solve for x
    x = 58,893,387,752.53/270,755.46
  6. Step 6: Final answer
    x = 217,515.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.