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Finding the Fourth Proportional to 465,527.52, 642,455.46 and 350,603.46

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Solution

The fourth proportional to 465,527.52, 642,455.46 and 350,603.46 is: 483,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,527.52 : 642,455.46 = 350,603.46 : x
  2. Step 2: Convert to fraction form
    465,527.52/642,455.46 = 350,603.46/x
  3. Step 3: Cross multiply
    465,527.52x = 642,455.46 × 350,603.46
  4. Step 4: Simplify right side
    465,527.52x = 225,247,107,171.89
  5. Step 5: Solve for x
    x = 225,247,107,171.89/465,527.52
  6. Step 6: Final answer
    x = 483,853.47

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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.