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Finding the Fourth Proportional to 302,203.40, 453,654.30 and 162,235.40

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Solution

The fourth proportional to 302,203.40, 453,654.30 and 162,235.40 is: 243,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,203.40 : 453,654.30 = 162,235.40 : x
  2. Step 2: Convert to fraction form
    302,203.40/453,654.30 = 162,235.40/x
  3. Step 3: Cross multiply
    302,203.40x = 453,654.30 × 162,235.40
  4. Step 4: Simplify right side
    302,203.40x = 73,598,786,822.22
  5. Step 5: Solve for x
    x = 73,598,786,822.22/302,203.40
  6. Step 6: Final answer
    x = 243,540.57

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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.