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Finding the Fourth Proportional to 448,653.34, 619,126.50 and 267,271.32

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Solution

The fourth proportional to 448,653.34, 619,126.50 and 267,271.32 is: 368,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,653.34 : 619,126.50 = 267,271.32 : x
  2. Step 2: Convert to fraction form
    448,653.34/619,126.50 = 267,271.32/x
  3. Step 3: Cross multiply
    448,653.34x = 619,126.50 × 267,271.32
  4. Step 4: Simplify right side
    448,653.34x = 165,474,756,901.98
  5. Step 5: Solve for x
    x = 165,474,756,901.98/448,653.34
  6. Step 6: Final answer
    x = 368,825.42

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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.