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Finding the Fourth Proportional to 265,407.38, 366,256.71 and 144,550.79

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Solution

The fourth proportional to 265,407.38, 366,256.71 and 144,550.79 is: 199,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,407.38 : 366,256.71 = 144,550.79 : x
  2. Step 2: Convert to fraction form
    265,407.38/366,256.71 = 144,550.79/x
  3. Step 3: Cross multiply
    265,407.38x = 366,256.71 × 144,550.79
  4. Step 4: Simplify right side
    265,407.38x = 52,942,694,942.02
  5. Step 5: Solve for x
    x = 52,942,694,942.02/265,407.38
  6. Step 6: Final answer
    x = 199,477.11

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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.