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Finding the Fourth Proportional to 613,847.60, 920,625.56 and 234,629.08

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Solution

The fourth proportional to 613,847.60, 920,625.56 and 234,629.08 is: 351,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,847.60 : 920,625.56 = 234,629.08 : x
  2. Step 2: Convert to fraction form
    613,847.60/920,625.56 = 234,629.08/x
  3. Step 3: Cross multiply
    613,847.60x = 920,625.56 × 234,629.08
  4. Step 4: Simplify right side
    613,847.60x = 216,005,528,167.29
  5. Step 5: Solve for x
    x = 216,005,528,167.29/613,847.60
  6. Step 6: Final answer
    x = 351,887.88

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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.