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Finding the Fourth Proportional to 283,854.51, 391,701.33 and 162,910.67

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Solution

The fourth proportional to 283,854.51, 391,701.33 and 162,910.67 is: 224,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,854.51 : 391,701.33 = 162,910.67 : x
  2. Step 2: Convert to fraction form
    283,854.51/391,701.33 = 162,910.67/x
  3. Step 3: Cross multiply
    283,854.51x = 391,701.33 × 162,910.67
  4. Step 4: Simplify right side
    283,854.51x = 63,812,324,151.68
  5. Step 5: Solve for x
    x = 63,812,324,151.68/283,854.51
  6. Step 6: Final answer
    x = 224,806.45

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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.