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Finding the Fourth Proportional to 338,374.42, 466,961.31 and 185,409.57

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Solution

The fourth proportional to 338,374.42, 466,961.31 and 185,409.57 is: 255,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,374.42 : 466,961.31 = 185,409.57 : x
  2. Step 2: Convert to fraction form
    338,374.42/466,961.31 = 185,409.57/x
  3. Step 3: Cross multiply
    338,374.42x = 466,961.31 × 185,409.57
  4. Step 4: Simplify right side
    338,374.42x = 86,579,095,693.74
  5. Step 5: Solve for x
    x = 86,579,095,693.74/338,374.42
  6. Step 6: Final answer
    x = 255,867.73

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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.