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Finding the Fourth Proportional to 442,565.28, 610,733.52 and 248,958.36

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Solution

The fourth proportional to 442,565.28, 610,733.52 and 248,958.36 is: 343,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,565.28 : 610,733.52 = 248,958.36 : x
  2. Step 2: Convert to fraction form
    442,565.28/610,733.52 = 248,958.36/x
  3. Step 3: Cross multiply
    442,565.28x = 610,733.52 × 248,958.36
  4. Step 4: Simplify right side
    442,565.28x = 152,047,215,536.23
  5. Step 5: Solve for x
    x = 152,047,215,536.23/442,565.28
  6. Step 6: Final answer
    x = 343,558.84

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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.