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Finding the Fourth Proportional to 474,664.89, 655,035.15 and 256,873.39

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Solution

The fourth proportional to 474,664.89, 655,035.15 and 256,873.39 is: 354,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,664.89 : 655,035.15 = 256,873.39 : x
  2. Step 2: Convert to fraction form
    474,664.89/655,035.15 = 256,873.39/x
  3. Step 3: Cross multiply
    474,664.89x = 655,035.15 × 256,873.39
  4. Step 4: Simplify right side
    474,664.89x = 168,261,099,549.66
  5. Step 5: Solve for x
    x = 168,261,099,549.66/474,664.89
  6. Step 6: Final answer
    x = 354,483.98

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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.