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Finding the Fourth Proportional to 452,377.84, 624,493.92 and 261,354.32

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Solution

The fourth proportional to 452,377.84, 624,493.92 and 261,354.32 is: 360,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,377.84 : 624,493.92 = 261,354.32 : x
  2. Step 2: Convert to fraction form
    452,377.84/624,493.92 = 261,354.32/x
  3. Step 3: Cross multiply
    452,377.84x = 624,493.92 × 261,354.32
  4. Step 4: Simplify right side
    452,377.84x = 163,214,183,805.73
  5. Step 5: Solve for x
    x = 163,214,183,805.73/452,377.84
  6. Step 6: Final answer
    x = 360,791.73

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1.5x scale

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.