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Finding the Fourth Proportional to 265,499.68, 366,388.10 and 144,640.66

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Solution

The fourth proportional to 265,499.68, 366,388.10 and 144,640.66 is: 199,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,499.68 : 366,388.10 = 144,640.66 : x
  2. Step 2: Convert to fraction form
    265,499.68/366,388.10 = 144,640.66/x
  3. Step 3: Cross multiply
    265,499.68x = 366,388.10 × 144,640.66
  4. Step 4: Simplify right side
    265,499.68x = 52,994,616,600.15
  5. Step 5: Solve for x
    x = 52,994,616,600.15/265,499.68
  6. Step 6: Final answer
    x = 199,603.32

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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.