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Finding the Fourth Proportional to 265,640.01, 366,583.49 and 144,781.39

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Solution

The fourth proportional to 265,640.01, 366,583.49 and 144,781.39 is: 199,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,640.01 : 366,583.49 = 144,781.39 : x
  2. Step 2: Convert to fraction form
    265,640.01/366,583.49 = 144,781.39/x
  3. Step 3: Cross multiply
    265,640.01x = 366,583.49 × 144,781.39
  4. Step 4: Simplify right side
    265,640.01x = 53,074,467,233.25
  5. Step 5: Solve for x
    x = 53,074,467,233.25/265,640.01
  6. Step 6: Final answer
    x = 199,798.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.