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Finding the Fourth Proportional to 417,597.24, 576,531.70 and 274,603.89

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Solution

The fourth proportional to 417,597.24, 576,531.70 and 274,603.89 is: 379,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,597.24 : 576,531.70 = 274,603.89 : x
  2. Step 2: Convert to fraction form
    417,597.24/576,531.70 = 274,603.89/x
  3. Step 3: Cross multiply
    417,597.24x = 576,531.70 × 274,603.89
  4. Step 4: Simplify right side
    417,597.24x = 158,317,846,841.80
  5. Step 5: Solve for x
    x = 158,317,846,841.80/417,597.24
  6. Step 6: Final answer
    x = 379,116.12

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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.