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Finding the Fourth Proportional to 338,959.08, 467,768.52 and 186,012.45

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Solution

The fourth proportional to 338,959.08, 467,768.52 and 186,012.45 is: 256,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,959.08 : 467,768.52 = 186,012.45 : x
  2. Step 2: Convert to fraction form
    338,959.08/467,768.52 = 186,012.45/x
  3. Step 3: Cross multiply
    338,959.08x = 467,768.52 × 186,012.45
  4. Step 4: Simplify right side
    338,959.08x = 87,010,768,438.07
  5. Step 5: Solve for x
    x = 87,010,768,438.07/338,959.08
  6. Step 6: Final answer
    x = 256,699.92

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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.