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Finding the Fourth Proportional to 474,110.60, 711,165.90 and 296,817.80

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Solution

The fourth proportional to 474,110.60, 711,165.90 and 296,817.80 is: 445,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,110.60 : 711,165.90 = 296,817.80 : x
  2. Step 2: Convert to fraction form
    474,110.60/711,165.90 = 296,817.80/x
  3. Step 3: Cross multiply
    474,110.60x = 711,165.90 × 296,817.80
  4. Step 4: Simplify right side
    474,110.60x = 211,086,697,873.02
  5. Step 5: Solve for x
    x = 211,086,697,873.02/474,110.60
  6. Step 6: Final answer
    x = 445,226.70

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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.