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Finding the Fourth Proportional to 448,988.27, 619,522.22 and 265,256.75

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Solution

The fourth proportional to 448,988.27, 619,522.22 and 265,256.75 is: 366,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,988.27 : 619,522.22 = 265,256.75 : x
  2. Step 2: Convert to fraction form
    448,988.27/619,522.22 = 265,256.75/x
  3. Step 3: Cross multiply
    448,988.27x = 619,522.22 × 265,256.75
  4. Step 4: Simplify right side
    448,988.27x = 164,332,446,206.09
  5. Step 5: Solve for x
    x = 164,332,446,206.09/448,988.27
  6. Step 6: Final answer
    x = 366,006.11

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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.