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Finding the Fourth Proportional to 356,009.88, 491,294.36 and 194,875.22

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Solution

The fourth proportional to 356,009.88, 491,294.36 and 194,875.22 is: 268,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,009.88 : 491,294.36 = 194,875.22 : x
  2. Step 2: Convert to fraction form
    356,009.88/491,294.36 = 194,875.22/x
  3. Step 3: Cross multiply
    356,009.88x = 491,294.36 × 194,875.22
  4. Step 4: Simplify right side
    356,009.88x = 95,741,095,441.65
  5. Step 5: Solve for x
    x = 95,741,095,441.65/356,009.88
  6. Step 6: Final answer
    x = 268,928.20

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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.