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Finding the Fourth Proportional to 338,774.65, 467,505.82 and 185,809.72

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Solution

The fourth proportional to 338,774.65, 467,505.82 and 185,809.72 is: 256,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,774.65 : 467,505.82 = 185,809.72 : x
  2. Step 2: Convert to fraction form
    338,774.65/467,505.82 = 185,809.72/x
  3. Step 3: Cross multiply
    338,774.65x = 467,505.82 × 185,809.72
  4. Step 4: Simplify right side
    338,774.65x = 86,867,125,512.57
  5. Step 5: Solve for x
    x = 86,867,125,512.57/338,774.65
  6. Step 6: Final answer
    x = 256,415.66

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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.