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Finding the Fourth Proportional to 496,920.80, 744,943.80 and 297,320.60

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Solution

The fourth proportional to 496,920.80, 744,943.80 and 297,320.60 is: 445,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,920.80 : 744,943.80 = 297,320.60 : x
  2. Step 2: Convert to fraction form
    496,920.80/744,943.80 = 297,320.60/x
  3. Step 3: Cross multiply
    496,920.80x = 744,943.80 × 297,320.60
  4. Step 4: Simplify right side
    496,920.80x = 221,487,137,582.28
  5. Step 5: Solve for x
    x = 221,487,137,582.28/496,920.80
  6. Step 6: Final answer
    x = 445,719.19

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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.