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Finding the Fourth Proportional to 456,930.88, 630,544.02 and 252,967.48

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Solution

The fourth proportional to 456,930.88, 630,544.02 and 252,967.48 is: 349,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,930.88 : 630,544.02 = 252,967.48 : x
  2. Step 2: Convert to fraction form
    456,930.88/630,544.02 = 252,967.48/x
  3. Step 3: Cross multiply
    456,930.88x = 630,544.02 × 252,967.48
  4. Step 4: Simplify right side
    456,930.88x = 159,507,131,768.47
  5. Step 5: Solve for x
    x = 159,507,131,768.47/456,930.88
  6. Step 6: Final answer
    x = 349,083.72

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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.