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Finding the Fourth Proportional to 283,663.56, 391,384.98 and 180,260.04

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Solution

The fourth proportional to 283,663.56, 391,384.98 and 180,260.04 is: 248,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,663.56 : 391,384.98 = 180,260.04 : x
  2. Step 2: Convert to fraction form
    283,663.56/391,384.98 = 180,260.04/x
  3. Step 3: Cross multiply
    283,663.56x = 391,384.98 × 180,260.04
  4. Step 4: Simplify right side
    283,663.56x = 70,551,072,150.20
  5. Step 5: Solve for x
    x = 70,551,072,150.20/283,663.56
  6. Step 6: Final answer
    x = 248,713.91

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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.