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Finding the Fourth Proportional to 504,524.07, 696,248.65 and 275,079.48

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Solution

The fourth proportional to 504,524.07, 696,248.65 and 275,079.48 is: 379,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,524.07 : 696,248.65 = 275,079.48 : x
  2. Step 2: Convert to fraction form
    504,524.07/696,248.65 = 275,079.48/x
  3. Step 3: Cross multiply
    504,524.07x = 696,248.65 × 275,079.48
  4. Step 4: Simplify right side
    504,524.07x = 191,523,716,592.70
  5. Step 5: Solve for x
    x = 191,523,716,592.70/504,524.07
  6. Step 6: Final answer
    x = 379,612.64

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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.