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Finding the Fourth Proportional to 517,040.54, 775,570.53 and 162,046.70

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Solution

The fourth proportional to 517,040.54, 775,570.53 and 162,046.70 is: 243,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,040.54 : 775,570.53 = 162,046.70 : x
  2. Step 2: Convert to fraction form
    517,040.54/775,570.53 = 162,046.70/x
  3. Step 3: Cross multiply
    517,040.54x = 775,570.53 × 162,046.70
  4. Step 4: Simplify right side
    517,040.54x = 125,678,645,003.75
  5. Step 5: Solve for x
    x = 125,678,645,003.75/517,040.54
  6. Step 6: Final answer
    x = 243,073.10

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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.