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Finding the Fourth Proportional to 283,866.89, 391,718.39 and 162,923.04

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Solution

The fourth proportional to 283,866.89, 391,718.39 and 162,923.04 is: 224,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,866.89 : 391,718.39 = 162,923.04 : x
  2. Step 2: Convert to fraction form
    283,866.89/391,718.39 = 162,923.04/x
  3. Step 3: Cross multiply
    283,866.89x = 391,718.39 × 162,923.04
  4. Step 4: Simplify right side
    283,866.89x = 63,819,950,108.09
  5. Step 5: Solve for x
    x = 63,819,950,108.09/283,866.89
  6. Step 6: Final answer
    x = 224,823.51

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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.