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Finding the Fourth Proportional to 560,481.83, 840,863.54 and 161,123.31

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Solution

The fourth proportional to 560,481.83, 840,863.54 and 161,123.31 is: 241,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,481.83 : 840,863.54 = 161,123.31 : x
  2. Step 2: Convert to fraction form
    560,481.83/840,863.54 = 161,123.31/x
  3. Step 3: Cross multiply
    560,481.83x = 840,863.54 × 161,123.31
  4. Step 4: Simplify right side
    560,481.83x = 135,482,716,017.50
  5. Step 5: Solve for x
    x = 135,482,716,017.50/560,481.83
  6. Step 6: Final answer
    x = 241,725.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.