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Finding the Fourth Proportional to 283,793.94, 391,618.53 and 162,908.82

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Solution

The fourth proportional to 283,793.94, 391,618.53 and 162,908.82 is: 224,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,793.94 : 391,618.53 = 162,908.82 : x
  2. Step 2: Convert to fraction form
    283,793.94/391,618.53 = 162,908.82/x
  3. Step 3: Cross multiply
    283,793.94x = 391,618.53 × 162,908.82
  4. Step 4: Simplify right side
    283,793.94x = 63,798,112,612.43
  5. Step 5: Solve for x
    x = 63,798,112,612.43/283,793.94
  6. Step 6: Final answer
    x = 224,804.35

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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.