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Finding the Fourth Proportional to 376,460.48, 519,516.48 and 206,705.60

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Solution

The fourth proportional to 376,460.48, 519,516.48 and 206,705.60 is: 285,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,460.48 : 519,516.48 = 206,705.60 : x
  2. Step 2: Convert to fraction form
    376,460.48/519,516.48 = 206,705.60/x
  3. Step 3: Cross multiply
    376,460.48x = 519,516.48 × 206,705.60
  4. Step 4: Simplify right side
    376,460.48x = 107,386,965,708.29
  5. Step 5: Solve for x
    x = 107,386,965,708.29/376,460.48
  6. Step 6: Final answer
    x = 285,254.29

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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.