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Finding the Fourth Proportional to 541,075.74, 811,605.40 and 186,092.83

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Solution

The fourth proportional to 541,075.74, 811,605.40 and 186,092.83 is: 279,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,075.74 : 811,605.40 = 186,092.83 : x
  2. Step 2: Convert to fraction form
    541,075.74/811,605.40 = 186,092.83/x
  3. Step 3: Cross multiply
    541,075.74x = 811,605.40 × 186,092.83
  4. Step 4: Simplify right side
    541,075.74x = 151,033,945,729.28
  5. Step 5: Solve for x
    x = 151,033,945,729.28/541,075.74
  6. Step 6: Final answer
    x = 279,136.42

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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.