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Finding the Fourth Proportional to 338,840.32, 467,605.88 and 185,886.32

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Solution

The fourth proportional to 338,840.32, 467,605.88 and 185,886.32 is: 256,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,840.32 : 467,605.88 = 185,886.32 : x
  2. Step 2: Convert to fraction form
    338,840.32/467,605.88 = 185,886.32/x
  3. Step 3: Cross multiply
    338,840.32x = 467,605.88 × 185,886.32
  4. Step 4: Simplify right side
    338,840.32x = 86,921,536,243.56
  5. Step 5: Solve for x
    x = 86,921,536,243.56/338,840.32
  6. Step 6: Final answer
    x = 256,526.54

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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.