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Finding the Fourth Proportional to 362,559.70, 500,346.50 and 248,078.36

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Solution

The fourth proportional to 362,559.70, 500,346.50 and 248,078.36 is: 342,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,559.70 : 500,346.50 = 248,078.36 : x
  2. Step 2: Convert to fraction form
    362,559.70/500,346.50 = 248,078.36/x
  3. Step 3: Cross multiply
    362,559.70x = 500,346.50 × 248,078.36
  4. Step 4: Simplify right side
    362,559.70x = 124,125,139,151.74
  5. Step 5: Solve for x
    x = 124,125,139,151.74/362,559.70
  6. Step 6: Final answer
    x = 342,357.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.