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Finding the Fourth Proportional to 335,578.78, 502,777.68 and 315,600.54

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Solution

The fourth proportional to 335,578.78, 502,777.68 and 315,600.54 is: 472,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,578.78 : 502,777.68 = 315,600.54 : x
  2. Step 2: Convert to fraction form
    335,578.78/502,777.68 = 315,600.54/x
  3. Step 3: Cross multiply
    335,578.78x = 502,777.68 × 315,600.54
  4. Step 4: Simplify right side
    335,578.78x = 158,676,907,307.95
  5. Step 5: Solve for x
    x = 158,676,907,307.95/335,578.78
  6. Step 6: Final answer
    x = 472,845.47

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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.