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Finding the Fourth Proportional to 444,867.60, 667,301.40 and 424,200.45

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Solution

The fourth proportional to 444,867.60, 667,301.40 and 424,200.45 is: 636,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,867.60 : 667,301.40 = 424,200.45 : x
  2. Step 2: Convert to fraction form
    444,867.60/667,301.40 = 424,200.45/x
  3. Step 3: Cross multiply
    444,867.60x = 667,301.40 × 424,200.45
  4. Step 4: Simplify right side
    444,867.60x = 283,069,554,165.63
  5. Step 5: Solve for x
    x = 283,069,554,165.63/444,867.60
  6. Step 6: Final answer
    x = 636,300.68

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1.5x scale

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.