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Finding the Fourth Proportional to 516,375.60, 774,330.12 and 183,960.24

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Solution

The fourth proportional to 516,375.60, 774,330.12 and 183,960.24 is: 275,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,375.60 : 774,330.12 = 183,960.24 : x
  2. Step 2: Convert to fraction form
    516,375.60/774,330.12 = 183,960.24/x
  3. Step 3: Cross multiply
    516,375.60x = 774,330.12 × 183,960.24
  4. Step 4: Simplify right side
    516,375.60x = 142,445,954,714.43
  5. Step 5: Solve for x
    x = 142,445,954,714.43/516,375.60
  6. Step 6: Final answer
    x = 275,857.25

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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.