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Finding the Fourth Proportional to 256,548.06, 354,008.88 and 149,095.62

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Solution

The fourth proportional to 256,548.06, 354,008.88 and 149,095.62 is: 205,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,548.06 : 354,008.88 = 149,095.62 : x
  2. Step 2: Convert to fraction form
    256,548.06/354,008.88 = 149,095.62/x
  3. Step 3: Cross multiply
    256,548.06x = 354,008.88 × 149,095.62
  4. Step 4: Simplify right side
    256,548.06x = 52,781,173,449.11
  5. Step 5: Solve for x
    x = 52,781,173,449.11/256,548.06
  6. Step 6: Final answer
    x = 205,736.01

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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.