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Finding the Fourth Proportional to 265,286.85, 366,102.43 and 144,434.77

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Solution

The fourth proportional to 265,286.85, 366,102.43 and 144,434.77 is: 199,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,286.85 : 366,102.43 = 144,434.77 : x
  2. Step 2: Convert to fraction form
    265,286.85/366,102.43 = 144,434.77/x
  3. Step 3: Cross multiply
    265,286.85x = 366,102.43 × 144,434.77
  4. Step 4: Simplify right side
    265,286.85x = 52,877,919,809.59
  5. Step 5: Solve for x
    x = 52,877,919,809.59/265,286.85
  6. Step 6: Final answer
    x = 199,323.56

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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.