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Finding the Fourth Proportional to 295,657.13, 408,008.66 and 161,521.13

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Solution

The fourth proportional to 295,657.13, 408,008.66 and 161,521.13 is: 222,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,657.13 : 408,008.66 = 161,521.13 : x
  2. Step 2: Convert to fraction form
    295,657.13/408,008.66 = 161,521.13/x
  3. Step 3: Cross multiply
    295,657.13x = 408,008.66 × 161,521.13
  4. Step 4: Simplify right side
    295,657.13x = 65,902,016,965.34
  5. Step 5: Solve for x
    x = 65,902,016,965.34/295,657.13
  6. Step 6: Final answer
    x = 222,900.15

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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.