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Finding the Fourth Proportional to 442,076.32, 663,119.04 and 353,890.48

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Solution

The fourth proportional to 442,076.32, 663,119.04 and 353,890.48 is: 530,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,076.32 : 663,119.04 = 353,890.48 : x
  2. Step 2: Convert to fraction form
    442,076.32/663,119.04 = 353,890.48/x
  3. Step 3: Cross multiply
    442,076.32x = 663,119.04 × 353,890.48
  4. Step 4: Simplify right side
    442,076.32x = 234,671,515,362.74
  5. Step 5: Solve for x
    x = 234,671,515,362.74/442,076.32
  6. Step 6: Final answer
    x = 530,839.37

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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.