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Finding the Fourth Proportional to 576,674.37, 865,035.12 and 197,855.60

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Solution

The fourth proportional to 576,674.37, 865,035.12 and 197,855.60 is: 296,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,674.37 : 865,035.12 = 197,855.60 : x
  2. Step 2: Convert to fraction form
    576,674.37/865,035.12 = 197,855.60/x
  3. Step 3: Cross multiply
    576,674.37x = 865,035.12 × 197,855.60
  4. Step 4: Simplify right side
    576,674.37x = 171,152,038,363.50
  5. Step 5: Solve for x
    x = 171,152,038,363.50/576,674.37
  6. Step 6: Final answer
    x = 296,791.48

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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.