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Finding the Fourth Proportional to 476,356.33, 657,354.71 and 269,620.28

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Solution

The fourth proportional to 476,356.33, 657,354.71 and 269,620.28 is: 372,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,356.33 : 657,354.71 = 269,620.28 : x
  2. Step 2: Convert to fraction form
    476,356.33/657,354.71 = 269,620.28/x
  3. Step 3: Cross multiply
    476,356.33x = 657,354.71 × 269,620.28
  4. Step 4: Simplify right side
    476,356.33x = 177,236,163,097.57
  5. Step 5: Solve for x
    x = 177,236,163,097.57/476,356.33
  6. Step 6: Final answer
    x = 372,066.35

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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.