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Finding the Fourth Proportional to 219,304.34, 302,657.57 and 174,353.28

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Solution

The fourth proportional to 219,304.34, 302,657.57 and 174,353.28 is: 240,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,304.34 : 302,657.57 = 174,353.28 : x
  2. Step 2: Convert to fraction form
    219,304.34/302,657.57 = 174,353.28/x
  3. Step 3: Cross multiply
    219,304.34x = 302,657.57 × 174,353.28
  4. Step 4: Simplify right side
    219,304.34x = 52,769,339,174.56
  5. Step 5: Solve for x
    x = 52,769,339,174.56/219,304.34
  6. Step 6: Final answer
    x = 240,621.51

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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.