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Finding the Fourth Proportional to 283,797.13, 391,656.59 and 162,938.65

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Solution

The fourth proportional to 283,797.13, 391,656.59 and 162,938.65 is: 224,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,797.13 : 391,656.59 = 162,938.65 : x
  2. Step 2: Convert to fraction form
    283,797.13/391,656.59 = 162,938.65/x
  3. Step 3: Cross multiply
    283,797.13x = 391,656.59 × 162,938.65
  4. Step 4: Simplify right side
    283,797.13x = 63,815,995,223.51
  5. Step 5: Solve for x
    x = 63,815,995,223.51/283,797.13
  6. Step 6: Final answer
    x = 224,864.84

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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.