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Finding the Fourth Proportional to 563,488.41, 777,369.63 and 372,767.43

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Solution

The fourth proportional to 563,488.41, 777,369.63 and 372,767.43 is: 514,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,488.41 : 777,369.63 = 372,767.43 : x
  2. Step 2: Convert to fraction form
    563,488.41/777,369.63 = 372,767.43/x
  3. Step 3: Cross multiply
    563,488.41x = 777,369.63 × 372,767.43
  4. Step 4: Simplify right side
    563,488.41x = 289,778,079,135.15
  5. Step 5: Solve for x
    x = 289,778,079,135.15/563,488.41
  6. Step 6: Final answer
    x = 514,257.39

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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.