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Finding the Fourth Proportional to 434,682.56, 599,945.76 and 283,517.12

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Solution

The fourth proportional to 434,682.56, 599,945.76 and 283,517.12 is: 391,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,682.56 : 599,945.76 = 283,517.12 : x
  2. Step 2: Convert to fraction form
    434,682.56/599,945.76 = 283,517.12/x
  3. Step 3: Cross multiply
    434,682.56x = 599,945.76 × 283,517.12
  4. Step 4: Simplify right side
    434,682.56x = 170,094,894,031.41
  5. Step 5: Solve for x
    x = 170,094,894,031.41/434,682.56
  6. Step 6: Final answer
    x = 391,308.30

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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.