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Finding the Fourth Proportional to 283,601.82, 391,365.45 and 154,541.41

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Solution

The fourth proportional to 283,601.82, 391,365.45 and 154,541.41 is: 213,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,601.82 : 391,365.45 = 154,541.41 : x
  2. Step 2: Convert to fraction form
    283,601.82/391,365.45 = 154,541.41/x
  3. Step 3: Cross multiply
    283,601.82x = 391,365.45 × 154,541.41
  4. Step 4: Simplify right side
    283,601.82x = 60,482,168,468.28
  5. Step 5: Solve for x
    x = 60,482,168,468.28/283,601.82
  6. Step 6: Final answer
    x = 213,264.39

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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.