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Finding the Fourth Proportional to 768,341.16, 1,060,369.44 and 424,243.44

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Solution

The fourth proportional to 768,341.16, 1,060,369.44 and 424,243.44 is: 585,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,341.16 : 1,060,369.44 = 424,243.44 : x
  2. Step 2: Convert to fraction form
    768,341.16/1,060,369.44 = 424,243.44/x
  3. Step 3: Cross multiply
    768,341.16x = 1,060,369.44 × 424,243.44
  4. Step 4: Simplify right side
    768,341.16x = 449,854,778,896.47
  5. Step 5: Solve for x
    x = 449,854,778,896.47/768,341.16
  6. Step 6: Final answer
    x = 585,488.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.