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Finding the Fourth Proportional to 338,612.58, 467,290.62 and 185,664.72

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Solution

The fourth proportional to 338,612.58, 467,290.62 and 185,664.72 is: 256,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,612.58 : 467,290.62 = 185,664.72 : x
  2. Step 2: Convert to fraction form
    338,612.58/467,290.62 = 185,664.72/x
  3. Step 3: Cross multiply
    338,612.58x = 467,290.62 × 185,664.72
  4. Step 4: Simplify right side
    338,612.58x = 86,759,382,120.93
  5. Step 5: Solve for x
    x = 86,759,382,120.93/338,612.58
  6. Step 6: Final answer
    x = 256,220.20

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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.