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Finding the Fourth Proportional to 517,253.44, 775,880.16 and 162,295.84

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Solution

The fourth proportional to 517,253.44, 775,880.16 and 162,295.84 is: 243,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,253.44 : 775,880.16 = 162,295.84 : x
  2. Step 2: Convert to fraction form
    517,253.44/775,880.16 = 162,295.84/x
  3. Step 3: Cross multiply
    517,253.44x = 775,880.16 × 162,295.84
  4. Step 4: Simplify right side
    517,253.44x = 125,922,122,306.53
  5. Step 5: Solve for x
    x = 125,922,122,306.53/517,253.44
  6. Step 6: Final answer
    x = 243,443.76

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Double scale
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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.