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Finding the Fourth Proportional to 448,872, 673,307.19 and 261,752.28

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Solution

The fourth proportional to 448,872, 673,307.19 and 261,752.28 is: 392,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,872 : 673,307.19 = 261,752.28 : x
  2. Step 2: Convert to fraction form
    448,872/673,307.19 = 261,752.28/x
  3. Step 3: Cross multiply
    448,872x = 673,307.19 × 261,752.28
  4. Step 4: Simplify right side
    448,872x = 176,239,692,122.89
  5. Step 5: Solve for x
    x = 176,239,692,122.89/448,872
  6. Step 6: Final answer
    x = 392,627.95

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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.