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Finding the Fourth Proportional to 283,659.33, 391,325.88 and 203,057.46

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Solution

The fourth proportional to 283,659.33, 391,325.88 and 203,057.46 is: 280,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,659.33 : 391,325.88 = 203,057.46 : x
  2. Step 2: Convert to fraction form
    283,659.33/391,325.88 = 203,057.46/x
  3. Step 3: Cross multiply
    283,659.33x = 391,325.88 × 203,057.46
  4. Step 4: Simplify right side
    283,659.33x = 79,461,639,225.06
  5. Step 5: Solve for x
    x = 79,461,639,225.06/283,659.33
  6. Step 6: Final answer
    x = 280,130.53

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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.