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Finding the Fourth Proportional to 265,644.54, 366,589.74 and 144,785.92

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Solution

The fourth proportional to 265,644.54, 366,589.74 and 144,785.92 is: 199,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,644.54 : 366,589.74 = 144,785.92 : x
  2. Step 2: Convert to fraction form
    265,644.54/366,589.74 = 144,785.92/x
  3. Step 3: Cross multiply
    265,644.54x = 366,589.74 × 144,785.92
  4. Step 4: Simplify right side
    265,644.54x = 53,077,032,768.46
  5. Step 5: Solve for x
    x = 53,077,032,768.46/265,644.54
  6. Step 6: Final answer
    x = 199,804.72

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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.