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Finding the Fourth Proportional to 462,851.70, 694,277.55 and 403,802.70

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Solution

The fourth proportional to 462,851.70, 694,277.55 and 403,802.70 is: 605,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,851.70 : 694,277.55 = 403,802.70 : x
  2. Step 2: Convert to fraction form
    462,851.70/694,277.55 = 403,802.70/x
  3. Step 3: Cross multiply
    462,851.70x = 694,277.55 × 403,802.70
  4. Step 4: Simplify right side
    462,851.70x = 280,351,149,239.39
  5. Step 5: Solve for x
    x = 280,351,149,239.39/462,851.70
  6. Step 6: Final answer
    x = 605,704.05

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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.