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Finding the Fourth Proportional to 541,123.80, 746,616.33 and 349,907.10

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Solution

The fourth proportional to 541,123.80, 746,616.33 and 349,907.10 is: 482,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,123.80 : 746,616.33 = 349,907.10 : x
  2. Step 2: Convert to fraction form
    541,123.80/746,616.33 = 349,907.10/x
  3. Step 3: Cross multiply
    541,123.80x = 746,616.33 × 349,907.10
  4. Step 4: Simplify right side
    541,123.80x = 261,246,354,842.94
  5. Step 5: Solve for x
    x = 261,246,354,842.94/541,123.80
  6. Step 6: Final answer
    x = 482,784.82

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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.