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Finding the Fourth Proportional to 628,508.70, 942,767.84 and 179,229.20

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Solution

The fourth proportional to 628,508.70, 942,767.84 and 179,229.20 is: 268,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,508.70 : 942,767.84 = 179,229.20 : x
  2. Step 2: Convert to fraction form
    628,508.70/942,767.84 = 179,229.20/x
  3. Step 3: Cross multiply
    628,508.70x = 942,767.84 × 179,229.20
  4. Step 4: Simplify right side
    628,508.70x = 168,971,521,483.16
  5. Step 5: Solve for x
    x = 168,971,521,483.16/628,508.70
  6. Step 6: Final answer
    x = 268,845.16

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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.