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Finding the Fourth Proportional to 341,381.16, 470,902.77 and 220,593.42

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Solution

The fourth proportional to 341,381.16, 470,902.77 and 220,593.42 is: 304,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,381.16 : 470,902.77 = 220,593.42 : x
  2. Step 2: Convert to fraction form
    341,381.16/470,902.77 = 220,593.42/x
  3. Step 3: Cross multiply
    341,381.16x = 470,902.77 × 220,593.42
  4. Step 4: Simplify right side
    341,381.16x = 103,878,052,521.77
  5. Step 5: Solve for x
    x = 103,878,052,521.77/341,381.16
  6. Step 6: Final answer
    x = 304,287.60

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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.