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Finding the Fourth Proportional to 290,364.41, 400,848.58 and 181,529.21

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Solution

The fourth proportional to 290,364.41, 400,848.58 and 181,529.21 is: 250,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,364.41 : 400,848.58 = 181,529.21 : x
  2. Step 2: Convert to fraction form
    290,364.41/400,848.58 = 181,529.21/x
  3. Step 3: Cross multiply
    290,364.41x = 400,848.58 × 181,529.21
  4. Step 4: Simplify right side
    290,364.41x = 72,765,726,264.95
  5. Step 5: Solve for x
    x = 72,765,726,264.95/290,364.41
  6. Step 6: Final answer
    x = 250,601.40

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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.