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Finding the Fourth Proportional to 562,499.20, 843,748.80 and 168,515.20

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Solution

The fourth proportional to 562,499.20, 843,748.80 and 168,515.20 is: 252,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,499.20 : 843,748.80 = 168,515.20 : x
  2. Step 2: Convert to fraction form
    562,499.20/843,748.80 = 168,515.20/x
  3. Step 3: Cross multiply
    562,499.20x = 843,748.80 × 168,515.20
  4. Step 4: Simplify right side
    562,499.20x = 142,184,497,781.76
  5. Step 5: Solve for x
    x = 142,184,497,781.76/562,499.20
  6. Step 6: Final answer
    x = 252,772.80

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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.