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Finding the Fourth Proportional to 354,630.30, 531,945.45 and 177,164.70

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Solution

The fourth proportional to 354,630.30, 531,945.45 and 177,164.70 is: 265,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,630.30 : 531,945.45 = 177,164.70 : x
  2. Step 2: Convert to fraction form
    354,630.30/531,945.45 = 177,164.70/x
  3. Step 3: Cross multiply
    354,630.30x = 531,945.45 × 177,164.70
  4. Step 4: Simplify right side
    354,630.30x = 94,241,956,065.62
  5. Step 5: Solve for x
    x = 94,241,956,065.62/354,630.30
  6. Step 6: Final answer
    x = 265,747.05

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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.