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Finding the Fourth Proportional to 576,751.56, 865,151.12 and 197,932.58

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Solution

The fourth proportional to 576,751.56, 865,151.12 and 197,932.58 is: 296,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,751.56 : 865,151.12 = 197,932.58 : x
  2. Step 2: Convert to fraction form
    576,751.56/865,151.12 = 197,932.58/x
  3. Step 3: Cross multiply
    576,751.56x = 865,151.12 × 197,932.58
  4. Step 4: Simplify right side
    576,751.56x = 171,241,593,271.49
  5. Step 5: Solve for x
    x = 171,241,593,271.49/576,751.56
  6. Step 6: Final answer
    x = 296,907.03

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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.