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Finding the Fourth Proportional to 468,168.42, 646,067.82 and 253,303.76

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Solution

The fourth proportional to 468,168.42, 646,067.82 and 253,303.76 is: 349,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,168.42 : 646,067.82 = 253,303.76 : x
  2. Step 2: Convert to fraction form
    468,168.42/646,067.82 = 253,303.76/x
  3. Step 3: Cross multiply
    468,168.42x = 646,067.82 × 253,303.76
  4. Step 4: Simplify right side
    468,168.42x = 163,651,408,021.00
  5. Step 5: Solve for x
    x = 163,651,408,021.00/468,168.42
  6. Step 6: Final answer
    x = 349,556.70

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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.