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Finding the Fourth Proportional to 541,493.68, 747,339.48 and 312,007.03

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Solution

The fourth proportional to 541,493.68, 747,339.48 and 312,007.03 is: 430,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,493.68 : 747,339.48 = 312,007.03 : x
  2. Step 2: Convert to fraction form
    541,493.68/747,339.48 = 312,007.03/x
  3. Step 3: Cross multiply
    541,493.68x = 747,339.48 × 312,007.03
  4. Step 4: Simplify right side
    541,493.68x = 233,175,171,556.54
  5. Step 5: Solve for x
    x = 233,175,171,556.54/541,493.68
  6. Step 6: Final answer
    x = 430,614.76

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1.5x scale

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.