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Finding the Fourth Proportional to 576,675.37, 865,036.62 and 197,856.60

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Solution

The fourth proportional to 576,675.37, 865,036.62 and 197,856.60 is: 296,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,675.37 : 865,036.62 = 197,856.60 : x
  2. Step 2: Convert to fraction form
    576,675.37/865,036.62 = 197,856.60/x
  3. Step 3: Cross multiply
    576,675.37x = 865,036.62 × 197,856.60
  4. Step 4: Simplify right side
    576,675.37x = 171,153,204,508.69
  5. Step 5: Solve for x
    x = 171,153,204,508.69/576,675.37
  6. Step 6: Final answer
    x = 296,792.99

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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.