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Finding the Fourth Proportional to 474,683.18, 655,066.87 and 270,744.42

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Solution

The fourth proportional to 474,683.18, 655,066.87 and 270,744.42 is: 373,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,683.18 : 655,066.87 = 270,744.42 : x
  2. Step 2: Convert to fraction form
    474,683.18/655,066.87 = 270,744.42/x
  3. Step 3: Cross multiply
    474,683.18x = 655,066.87 × 270,744.42
  4. Step 4: Simplify right side
    474,683.18x = 177,355,698,962.84
  5. Step 5: Solve for x
    x = 177,355,698,962.84/474,683.18
  6. Step 6: Final answer
    x = 373,629.63

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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.