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Finding the Fourth Proportional to 544,697.37, 751,629.60 and 315,209.07

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Solution

The fourth proportional to 544,697.37, 751,629.60 and 315,209.07 is: 434,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,697.37 : 751,629.60 = 315,209.07 : x
  2. Step 2: Convert to fraction form
    544,697.37/751,629.60 = 315,209.07/x
  3. Step 3: Cross multiply
    544,697.37x = 751,629.60 × 315,209.07
  4. Step 4: Simplify right side
    544,697.37x = 236,920,467,200.47
  5. Step 5: Solve for x
    x = 236,920,467,200.47/544,697.37
  6. Step 6: Final answer
    x = 434,957.98

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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.