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Finding the Fourth Proportional to 474,408.66, 711,699.40 and 225,088.50

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Solution

The fourth proportional to 474,408.66, 711,699.40 and 225,088.50 is: 337,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,408.66 : 711,699.40 = 225,088.50 : x
  2. Step 2: Convert to fraction form
    474,408.66/711,699.40 = 225,088.50/x
  3. Step 3: Cross multiply
    474,408.66x = 711,699.40 × 225,088.50
  4. Step 4: Simplify right side
    474,408.66x = 160,195,350,396.90
  5. Step 5: Solve for x
    x = 160,195,350,396.90/474,408.66
  6. Step 6: Final answer
    x = 337,673.75

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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.