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Finding the Fourth Proportional to 354,508.49, 531,319.25 and 177,065.03

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Solution

The fourth proportional to 354,508.49, 531,319.25 and 177,065.03 is: 265,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,508.49 : 531,319.25 = 177,065.03 : x
  2. Step 2: Convert to fraction form
    354,508.49/531,319.25 = 177,065.03/x
  3. Step 3: Cross multiply
    354,508.49x = 531,319.25 × 177,065.03
  4. Step 4: Simplify right side
    354,508.49x = 94,078,058,940.83
  5. Step 5: Solve for x
    x = 94,078,058,940.83/354,508.49
  6. Step 6: Final answer
    x = 265,376.04

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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.