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Finding the Fourth Proportional to 279,355.88, 385,460.16 and 182,534.16

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Solution

The fourth proportional to 279,355.88, 385,460.16 and 182,534.16 is: 251,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,355.88 : 385,460.16 = 182,534.16 : x
  2. Step 2: Convert to fraction form
    279,355.88/385,460.16 = 182,534.16/x
  3. Step 3: Cross multiply
    279,355.88x = 385,460.16 × 182,534.16
  4. Step 4: Simplify right side
    279,355.88x = 70,359,646,519.07
  5. Step 5: Solve for x
    x = 70,359,646,519.07/279,355.88
  6. Step 6: Final answer
    x = 251,863.85

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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.