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Finding the Fourth Proportional to 541,064.90, 811,708.07 and 186,032.79

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Solution

The fourth proportional to 541,064.90, 811,708.07 and 186,032.79 is: 279,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,064.90 : 811,708.07 = 186,032.79 : x
  2. Step 2: Convert to fraction form
    541,064.90/811,708.07 = 186,032.79/x
  3. Step 3: Cross multiply
    541,064.90x = 811,708.07 × 186,032.79
  4. Step 4: Simplify right side
    541,064.90x = 151,004,316,927.62
  5. Step 5: Solve for x
    x = 151,004,316,927.62/541,064.90
  6. Step 6: Final answer
    x = 279,087.25

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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.