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Finding the Fourth Proportional to 452,579.88, 624,490.80 and 261,556.38

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Solution

The fourth proportional to 452,579.88, 624,490.80 and 261,556.38 is: 360,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,579.88 : 624,490.80 = 261,556.38 : x
  2. Step 2: Convert to fraction form
    452,579.88/624,490.80 = 261,556.38/x
  3. Step 3: Cross multiply
    452,579.88x = 624,490.80 × 261,556.38
  4. Step 4: Simplify right side
    452,579.88x = 163,339,552,991.30
  5. Step 5: Solve for x
    x = 163,339,552,991.30/452,579.88
  6. Step 6: Final answer
    x = 360,907.68

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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.