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Finding the Fourth Proportional to 540,966.81, 811,524.04 and 225,349.91

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Solution

The fourth proportional to 540,966.81, 811,524.04 and 225,349.91 is: 338,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,966.81 : 811,524.04 = 225,349.91 : x
  2. Step 2: Convert to fraction form
    540,966.81/811,524.04 = 225,349.91/x
  3. Step 3: Cross multiply
    540,966.81x = 811,524.04 × 225,349.91
  4. Step 4: Simplify right side
    540,966.81x = 182,876,865,319.22
  5. Step 5: Solve for x
    x = 182,876,865,319.22/540,966.81
  6. Step 6: Final answer
    x = 338,055.61

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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.