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Finding the Fourth Proportional to 304,101.60, 456,109.20 and 104,431.20

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Solution

The fourth proportional to 304,101.60, 456,109.20 and 104,431.20 is: 156,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,101.60 : 456,109.20 = 104,431.20 : x
  2. Step 2: Convert to fraction form
    304,101.60/456,109.20 = 104,431.20/x
  3. Step 3: Cross multiply
    304,101.60x = 456,109.20 × 104,431.20
  4. Step 4: Simplify right side
    304,101.60x = 47,632,031,087.04
  5. Step 5: Solve for x
    x = 47,632,031,087.04/304,101.60
  6. Step 6: Final answer
    x = 156,631.96

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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.