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Finding the Fourth Proportional to 651,896.12, 978,113.24 and 352,023.58

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Solution

The fourth proportional to 651,896.12, 978,113.24 and 352,023.58 is: 528,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,896.12 : 978,113.24 = 352,023.58 : x
  2. Step 2: Convert to fraction form
    651,896.12/978,113.24 = 352,023.58/x
  3. Step 3: Cross multiply
    651,896.12x = 978,113.24 × 352,023.58
  4. Step 4: Simplify right side
    651,896.12x = 344,318,924,390.20
  5. Step 5: Solve for x
    x = 344,318,924,390.20/651,896.12
  6. Step 6: Final answer
    x = 528,180.66

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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.