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Finding the Fourth Proportional to 541,089.16, 811,625.52 and 186,106.28

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Solution

The fourth proportional to 541,089.16, 811,625.52 and 186,106.28 is: 279,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,089.16 : 811,625.52 = 186,106.28 : x
  2. Step 2: Convert to fraction form
    541,089.16/811,625.52 = 186,106.28/x
  3. Step 3: Cross multiply
    541,089.16x = 811,625.52 × 186,106.28
  4. Step 4: Simplify right side
    541,089.16x = 151,048,606,280.27
  5. Step 5: Solve for x
    x = 151,048,606,280.27/541,089.16
  6. Step 6: Final answer
    x = 279,156.59

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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.