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Finding the Fourth Proportional to 517,799.70, 775,704.47 and 317,536.11

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Solution

The fourth proportional to 517,799.70, 775,704.47 and 317,536.11 is: 475,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,799.70 : 775,704.47 = 317,536.11 : x
  2. Step 2: Convert to fraction form
    517,799.70/775,704.47 = 317,536.11/x
  3. Step 3: Cross multiply
    517,799.70x = 775,704.47 × 317,536.11
  4. Step 4: Simplify right side
    517,799.70x = 246,314,178,325.73
  5. Step 5: Solve for x
    x = 246,314,178,325.73/517,799.70
  6. Step 6: Final answer
    x = 475,693.94

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1.5x scale

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.