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Finding the Fourth Proportional to 374,096.44, 516,068.12 and 221,060.60

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Solution

The fourth proportional to 374,096.44, 516,068.12 and 221,060.60 is: 304,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,096.44 : 516,068.12 = 221,060.60 : x
  2. Step 2: Convert to fraction form
    374,096.44/516,068.12 = 221,060.60/x
  3. Step 3: Cross multiply
    374,096.44x = 516,068.12 × 221,060.60
  4. Step 4: Simplify right side
    374,096.44x = 114,082,328,248.07
  5. Step 5: Solve for x
    x = 114,082,328,248.07/374,096.44
  6. Step 6: Final answer
    x = 304,954.33

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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.