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Finding the Fourth Proportional to 570,600.11, 855,926.46 and 317,690.20

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Solution

The fourth proportional to 570,600.11, 855,926.46 and 317,690.20 is: 476,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,600.11 : 855,926.46 = 317,690.20 : x
  2. Step 2: Convert to fraction form
    570,600.11/855,926.46 = 317,690.20/x
  3. Step 3: Cross multiply
    570,600.11x = 855,926.46 × 317,690.20
  4. Step 4: Simplify right side
    570,600.11x = 271,919,449,332.60
  5. Step 5: Solve for x
    x = 271,919,449,332.60/570,600.11
  6. Step 6: Final answer
    x = 476,549.94

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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.