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Finding the Fourth Proportional to 474,338.34, 710,367.39 and 271,319.22

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Solution

The fourth proportional to 474,338.34, 710,367.39 and 271,319.22 is: 406,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,338.34 : 710,367.39 = 271,319.22 : x
  2. Step 2: Convert to fraction form
    474,338.34/710,367.39 = 271,319.22/x
  3. Step 3: Cross multiply
    474,338.34x = 710,367.39 × 271,319.22
  4. Step 4: Simplify right side
    474,338.34x = 192,736,326,168.24
  5. Step 5: Solve for x
    x = 192,736,326,168.24/474,338.34
  6. Step 6: Final answer
    x = 406,326.69

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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.