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Finding the Fourth Proportional to 376,256.39, 519,233.82 and 225,353.39

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Solution

The fourth proportional to 376,256.39, 519,233.82 and 225,353.39 is: 310,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,256.39 : 519,233.82 = 225,353.39 : x
  2. Step 2: Convert to fraction form
    376,256.39/519,233.82 = 225,353.39/x
  3. Step 3: Cross multiply
    376,256.39x = 519,233.82 × 225,353.39
  4. Step 4: Simplify right side
    376,256.39x = 117,011,101,652.90
  5. Step 5: Solve for x
    x = 117,011,101,652.90/376,256.39
  6. Step 6: Final answer
    x = 310,987.68

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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.