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Finding the Fourth Proportional to 304,172.34, 456,219.62 and 126,646.26

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Solution

The fourth proportional to 304,172.34, 456,219.62 and 126,646.26 is: 189,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,172.34 : 456,219.62 = 126,646.26 : x
  2. Step 2: Convert to fraction form
    304,172.34/456,219.62 = 126,646.26/x
  3. Step 3: Cross multiply
    304,172.34x = 456,219.62 × 126,646.26
  4. Step 4: Simplify right side
    304,172.34x = 57,778,508,611.62
  5. Step 5: Solve for x
    x = 57,778,508,611.62/304,172.34
  6. Step 6: Final answer
    x = 189,953.20

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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.