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Finding the Fourth Proportional to 707,960.20, 1,063,169.10 and 376,184.20

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Solution

The fourth proportional to 707,960.20, 1,063,169.10 and 376,184.20 is: 564,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,960.20 : 1,063,169.10 = 376,184.20 : x
  2. Step 2: Convert to fraction form
    707,960.20/1,063,169.10 = 376,184.20/x
  3. Step 3: Cross multiply
    707,960.20x = 1,063,169.10 × 376,184.20
  4. Step 4: Simplify right side
    707,960.20x = 399,947,417,348.22
  5. Step 5: Solve for x
    x = 399,947,417,348.22/707,960.20
  6. Step 6: Final answer
    x = 564,929.24

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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.