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Finding the Fourth Proportional to 452,595.78, 624,694.41 and 261,581.58

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Solution

The fourth proportional to 452,595.78, 624,694.41 and 261,581.58 is: 361,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,595.78 : 624,694.41 = 261,581.58 : x
  2. Step 2: Convert to fraction form
    452,595.78/624,694.41 = 261,581.58/x
  3. Step 3: Cross multiply
    452,595.78x = 624,694.41 × 261,581.58
  4. Step 4: Simplify right side
    452,595.78x = 163,408,550,784.97
  5. Step 5: Solve for x
    x = 163,408,550,784.97/452,595.78
  6. Step 6: Final answer
    x = 361,047.45

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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.