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Finding the Fourth Proportional to 442,079.52, 610,069.80 and 240,875.52

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Solution

The fourth proportional to 442,079.52, 610,069.80 and 240,875.52 is: 332,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,079.52 : 610,069.80 = 240,875.52 : x
  2. Step 2: Convert to fraction form
    442,079.52/610,069.80 = 240,875.52/x
  3. Step 3: Cross multiply
    442,079.52x = 610,069.80 × 240,875.52
  4. Step 4: Simplify right side
    442,079.52x = 146,950,880,311.30
  5. Step 5: Solve for x
    x = 146,950,880,311.30/442,079.52
  6. Step 6: Final answer
    x = 332,408.25

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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.