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Finding the Fourth Proportional to 448,800.60, 619,260.22 and 267,529.42

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Solution

The fourth proportional to 448,800.60, 619,260.22 and 267,529.42 is: 369,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,800.60 : 619,260.22 = 267,529.42 : x
  2. Step 2: Convert to fraction form
    448,800.60/619,260.22 = 267,529.42/x
  3. Step 3: Cross multiply
    448,800.60x = 619,260.22 × 267,529.42
  4. Step 4: Simplify right side
    448,800.60x = 165,670,327,485.67
  5. Step 5: Solve for x
    x = 165,670,327,485.67/448,800.60
  6. Step 6: Final answer
    x = 369,140.16

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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.