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Finding the Fourth Proportional to 372,578.10, 555,768.12 and 336,704.82

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Solution

The fourth proportional to 372,578.10, 555,768.12 and 336,704.82 is: 502,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,578.10 : 555,768.12 = 336,704.82 : x
  2. Step 2: Convert to fraction form
    372,578.10/555,768.12 = 336,704.82/x
  3. Step 3: Cross multiply
    372,578.10x = 555,768.12 × 336,704.82
  4. Step 4: Simplify right side
    372,578.10x = 187,129,804,806.34
  5. Step 5: Solve for x
    x = 187,129,804,806.34/372,578.10
  6. Step 6: Final answer
    x = 502,256.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.