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Finding the Fourth Proportional to 562,631.38, 843,947.06 and 168,647.38

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Solution

The fourth proportional to 562,631.38, 843,947.06 and 168,647.38 is: 252,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,631.38 : 843,947.06 = 168,647.38 : x
  2. Step 2: Convert to fraction form
    562,631.38/843,947.06 = 168,647.38/x
  3. Step 3: Cross multiply
    562,631.38x = 843,947.06 × 168,647.38
  4. Step 4: Simplify right side
    562,631.38x = 142,329,460,527.70
  5. Step 5: Solve for x
    x = 142,329,460,527.70/562,631.38
  6. Step 6: Final answer
    x = 252,971.07

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Similar ratio
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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.