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Finding the Fourth Proportional to 504,434.48, 696,084.70 and 283,704.82

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Solution

The fourth proportional to 504,434.48, 696,084.70 and 283,704.82 is: 391,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,434.48 : 696,084.70 = 283,704.82 : x
  2. Step 2: Convert to fraction form
    504,434.48/696,084.70 = 283,704.82/x
  3. Step 3: Cross multiply
    504,434.48x = 696,084.70 × 283,704.82
  4. Step 4: Simplify right side
    504,434.48x = 197,482,584,518.25
  5. Step 5: Solve for x
    x = 197,482,584,518.25/504,434.48
  6. Step 6: Final answer
    x = 391,493.03

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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.