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Finding the Fourth Proportional to 349,955.47, 524,445.21 and 264,496.17

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Solution

The fourth proportional to 349,955.47, 524,445.21 and 264,496.17 is: 396,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,955.47 : 524,445.21 = 264,496.17 : x
  2. Step 2: Convert to fraction form
    349,955.47/524,445.21 = 264,496.17/x
  3. Step 3: Cross multiply
    349,955.47x = 524,445.21 × 264,496.17
  4. Step 4: Simplify right side
    349,955.47x = 138,713,749,419.85
  5. Step 5: Solve for x
    x = 138,713,749,419.85/349,955.47
  6. Step 6: Final answer
    x = 396,375.43

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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.