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Finding the Fourth Proportional to 479,817.13, 719,370.19 and 226,801.98

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Solution

The fourth proportional to 479,817.13, 719,370.19 and 226,801.98 is: 340,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,817.13 : 719,370.19 = 226,801.98 : x
  2. Step 2: Convert to fraction form
    479,817.13/719,370.19 = 226,801.98/x
  3. Step 3: Cross multiply
    479,817.13x = 719,370.19 × 226,801.98
  4. Step 4: Simplify right side
    479,817.13x = 163,154,585,031.64
  5. Step 5: Solve for x
    x = 163,154,585,031.64/479,817.13
  6. Step 6: Final answer
    x = 340,034.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.