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Finding the Fourth Proportional to 452,578.44, 624,488.82 and 261,554.94

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Solution

The fourth proportional to 452,578.44, 624,488.82 and 261,554.94 is: 360,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,578.44 : 624,488.82 = 261,554.94 : x
  2. Step 2: Convert to fraction form
    452,578.44/624,488.82 = 261,554.94/x
  3. Step 3: Cross multiply
    452,578.44x = 624,488.82 × 261,554.94
  4. Step 4: Simplify right side
    452,578.44x = 163,338,135,845.77
  5. Step 5: Solve for x
    x = 163,338,135,845.77/452,578.44
  6. Step 6: Final answer
    x = 360,905.69

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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.