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Finding the Fourth Proportional to 372,542.49, 514,119.96 and 263,841.57

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Solution

The fourth proportional to 372,542.49, 514,119.96 and 263,841.57 is: 364,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,542.49 : 514,119.96 = 263,841.57 : x
  2. Step 2: Convert to fraction form
    372,542.49/514,119.96 = 263,841.57/x
  3. Step 3: Cross multiply
    372,542.49x = 514,119.96 × 263,841.57
  4. Step 4: Simplify right side
    372,542.49x = 135,646,217,414.74
  5. Step 5: Solve for x
    x = 135,646,217,414.74/372,542.49
  6. Step 6: Final answer
    x = 364,109.39

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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.