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Finding the Fourth Proportional to 628,493.60, 941,703.60 and 535,181.60

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Solution

The fourth proportional to 628,493.60, 941,703.60 and 535,181.60 is: 801,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,493.60 : 941,703.60 = 535,181.60 : x
  2. Step 2: Convert to fraction form
    628,493.60/941,703.60 = 535,181.60/x
  3. Step 3: Cross multiply
    628,493.60x = 941,703.60 × 535,181.60
  4. Step 4: Simplify right side
    628,493.60x = 503,982,439,373.76
  5. Step 5: Solve for x
    x = 503,982,439,373.76/628,493.60
  6. Step 6: Final answer
    x = 801,889.53

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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.