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Finding the Fourth Proportional to 577,084.12, 865,640.97 and 273,407.18

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Solution

The fourth proportional to 577,084.12, 865,640.97 and 273,407.18 is: 410,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,084.12 : 865,640.97 = 273,407.18 : x
  2. Step 2: Convert to fraction form
    577,084.12/865,640.97 = 273,407.18/x
  3. Step 3: Cross multiply
    577,084.12x = 865,640.97 × 273,407.18
  4. Step 4: Simplify right side
    577,084.12x = 236,672,452,171.96
  5. Step 5: Solve for x
    x = 236,672,452,171.96/577,084.12
  6. Step 6: Final answer
    x = 410,117.77

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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.