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Finding the Fourth Proportional to 548,814.30, 757,250.18 and 376,669.05

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Solution

The fourth proportional to 548,814.30, 757,250.18 and 376,669.05 is: 519,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,814.30 : 757,250.18 = 376,669.05 : x
  2. Step 2: Convert to fraction form
    548,814.30/757,250.18 = 376,669.05/x
  3. Step 3: Cross multiply
    548,814.30x = 757,250.18 × 376,669.05
  4. Step 4: Simplify right side
    548,814.30x = 285,232,704,029.58
  5. Step 5: Solve for x
    x = 285,232,704,029.58/548,814.30
  6. Step 6: Final answer
    x = 519,725.35

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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.