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Finding the Fourth Proportional to 344,352.47, 516,528 and 91,632.96

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Solution

The fourth proportional to 344,352.47, 516,528 and 91,632.96 is: 137,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,352.47 : 516,528 = 91,632.96 : x
  2. Step 2: Convert to fraction form
    344,352.47/516,528 = 91,632.96/x
  3. Step 3: Cross multiply
    344,352.47x = 516,528 × 91,632.96
  4. Step 4: Simplify right side
    344,352.47x = 47,330,989,562.88
  5. Step 5: Solve for x
    x = 47,330,989,562.88/344,352.47
  6. Step 6: Final answer
    x = 137,449.25

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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.