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Finding the Fourth Proportional to 442,842.48, 610,970.28 and 268,468.92

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Solution

The fourth proportional to 442,842.48, 610,970.28 and 268,468.92 is: 370,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,842.48 : 610,970.28 = 268,468.92 : x
  2. Step 2: Convert to fraction form
    442,842.48/610,970.28 = 268,468.92/x
  3. Step 3: Cross multiply
    442,842.48x = 610,970.28 × 268,468.92
  4. Step 4: Simplify right side
    442,842.48x = 164,026,530,490.37
  5. Step 5: Solve for x
    x = 164,026,530,490.37/442,842.48
  6. Step 6: Final answer
    x = 370,394.75

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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.