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Finding the Fourth Proportional to 604,991.40, 907,832.70 and 231,282.60

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Solution

The fourth proportional to 604,991.40, 907,832.70 and 231,282.60 is: 347,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,991.40 : 907,832.70 = 231,282.60 : x
  2. Step 2: Convert to fraction form
    604,991.40/907,832.70 = 231,282.60/x
  3. Step 3: Cross multiply
    604,991.40x = 907,832.70 × 231,282.60
  4. Step 4: Simplify right side
    604,991.40x = 209,965,907,221.02
  5. Step 5: Solve for x
    x = 209,965,907,221.02/604,991.40
  6. Step 6: Final answer
    x = 347,056.02

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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.