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Finding the Fourth Proportional to 541,919.30, 813,383.31 and 275,878.98

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Solution

The fourth proportional to 541,919.30, 813,383.31 and 275,878.98 is: 414,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,919.30 : 813,383.31 = 275,878.98 : x
  2. Step 2: Convert to fraction form
    541,919.30/813,383.31 = 275,878.98/x
  3. Step 3: Cross multiply
    541,919.30x = 813,383.31 × 275,878.98
  4. Step 4: Simplify right side
    541,919.30x = 224,395,357,911.82
  5. Step 5: Solve for x
    x = 224,395,357,911.82/541,919.30
  6. Step 6: Final answer
    x = 414,075.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.