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Finding the Fourth Proportional to 277,207.53, 415,856.18 and 108,636.45

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Solution

The fourth proportional to 277,207.53, 415,856.18 and 108,636.45 is: 162,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,207.53 : 415,856.18 = 108,636.45 : x
  2. Step 2: Convert to fraction form
    277,207.53/415,856.18 = 108,636.45/x
  3. Step 3: Cross multiply
    277,207.53x = 415,856.18 × 108,636.45
  4. Step 4: Simplify right side
    277,207.53x = 45,177,138,562.58
  5. Step 5: Solve for x
    x = 45,177,138,562.58/277,207.53
  6. Step 6: Final answer
    x = 162,972.26

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1.5x scale

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.