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Finding the Fourth Proportional to 517,253.52, 775,879.53 and 162,295.22

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Solution

The fourth proportional to 517,253.52, 775,879.53 and 162,295.22 is: 243,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,253.52 : 775,879.53 = 162,295.22 : x
  2. Step 2: Convert to fraction form
    517,253.52/775,879.53 = 162,295.22/x
  3. Step 3: Cross multiply
    517,253.52x = 775,879.53 × 162,295.22
  4. Step 4: Simplify right side
    517,253.52x = 125,921,540,345.94
  5. Step 5: Solve for x
    x = 125,921,540,345.94/517,253.52
  6. Step 6: Final answer
    x = 243,442.60

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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.