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Finding the Fourth Proportional to 377,518.29, 520,975.31 and 207,752.41

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Solution

The fourth proportional to 377,518.29, 520,975.31 and 207,752.41 is: 286,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,518.29 : 520,975.31 = 207,752.41 : x
  2. Step 2: Convert to fraction form
    377,518.29/520,975.31 = 207,752.41/x
  3. Step 3: Cross multiply
    377,518.29x = 520,975.31 × 207,752.41
  4. Step 4: Simplify right side
    377,518.29x = 108,233,876,203.00
  5. Step 5: Solve for x
    x = 108,233,876,203.00/377,518.29
  6. Step 6: Final answer
    x = 286,698.36

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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.