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Finding the Fourth Proportional to 576,995.24, 865,308 and 192,661.58

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Solution

The fourth proportional to 576,995.24, 865,308 and 192,661.58 is: 288,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,995.24 : 865,308 = 192,661.58 : x
  2. Step 2: Convert to fraction form
    576,995.24/865,308 = 192,661.58/x
  3. Step 3: Cross multiply
    576,995.24x = 865,308 × 192,661.58
  4. Step 4: Simplify right side
    576,995.24x = 166,711,606,466.64
  5. Step 5: Solve for x
    x = 166,711,606,466.64/576,995.24
  6. Step 6: Final answer
    x = 288,930.64

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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.