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Finding the Fourth Proportional to 465,451.59, 642,350.58 and 350,527.47

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Solution

The fourth proportional to 465,451.59, 642,350.58 and 350,527.47 is: 483,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,451.59 : 642,350.58 = 350,527.47 : x
  2. Step 2: Convert to fraction form
    465,451.59/642,350.58 = 350,527.47/x
  3. Step 3: Cross multiply
    465,451.59x = 642,350.58 × 350,527.47
  4. Step 4: Simplify right side
    465,451.59x = 225,161,523,660.43
  5. Step 5: Solve for x
    x = 225,161,523,660.43/465,451.59
  6. Step 6: Final answer
    x = 483,748.53

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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.