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Finding the Fourth Proportional to 448,653.84, 619,127.19 and 267,271.83

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Solution

The fourth proportional to 448,653.84, 619,127.19 and 267,271.83 is: 368,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,653.84 : 619,127.19 = 267,271.83 : x
  2. Step 2: Convert to fraction form
    448,653.84/619,127.19 = 267,271.83/x
  3. Step 3: Cross multiply
    448,653.84x = 619,127.19 × 267,271.83
  4. Step 4: Simplify right side
    448,653.84x = 165,475,257,074.06
  5. Step 5: Solve for x
    x = 165,475,257,074.06/448,653.84
  6. Step 6: Final answer
    x = 368,826.12

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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.