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Finding the Fourth Proportional to 353,680.28, 530,617.56 and 104,362.28

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Solution

The fourth proportional to 353,680.28, 530,617.56 and 104,362.28 is: 156,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,680.28 : 530,617.56 = 104,362.28 : x
  2. Step 2: Convert to fraction form
    353,680.28/530,617.56 = 104,362.28/x
  3. Step 3: Cross multiply
    353,680.28x = 530,617.56 × 104,362.28
  4. Step 4: Simplify right side
    353,680.28x = 55,376,458,369.64
  5. Step 5: Solve for x
    x = 55,376,458,369.64/353,680.28
  6. Step 6: Final answer
    x = 156,572.08

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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.