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Finding the Fourth Proportional to 675,857.79, 1,012,667.23 and 475,197.80

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Solution

The fourth proportional to 675,857.79, 1,012,667.23 and 475,197.80 is: 712,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,857.79 : 1,012,667.23 = 475,197.80 : x
  2. Step 2: Convert to fraction form
    675,857.79/1,012,667.23 = 475,197.80/x
  3. Step 3: Cross multiply
    675,857.79x = 1,012,667.23 × 475,197.80
  4. Step 4: Simplify right side
    675,857.79x = 481,217,237,452.11
  5. Step 5: Solve for x
    x = 481,217,237,452.11/675,857.79
  6. Step 6: Final answer
    x = 712,009.60

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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.