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Finding the Fourth Proportional to 562,632.39, 843,948.57 and 168,648.39

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Solution

The fourth proportional to 562,632.39, 843,948.57 and 168,648.39 is: 252,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,632.39 : 843,948.57 = 168,648.39 : x
  2. Step 2: Convert to fraction form
    562,632.39/843,948.57 = 168,648.39/x
  3. Step 3: Cross multiply
    562,632.39x = 843,948.57 × 168,648.39
  4. Step 4: Simplify right side
    562,632.39x = 142,330,567,573.30
  5. Step 5: Solve for x
    x = 142,330,567,573.30/562,632.39
  6. Step 6: Final answer
    x = 252,972.58

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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.