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Finding the Fourth Proportional to 449,074,248.80, 673,709,350.80 and 255,078,600.80

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Solution

The fourth proportional to 449,074,248.80, 673,709,350.80 and 255,078,600.80 is: 382,673,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,074,248.80 : 673,709,350.80 = 255,078,600.80 : x
  2. Step 2: Convert to fraction form
    449,074,248.80/673,709,350.80 = 255,078,600.80/x
  3. Step 3: Cross multiply
    449,074,248.80x = 673,709,350.80 × 255,078,600.80
  4. Step 4: Simplify right side
    449,074,248.80x = 171,848,838,547,940,352
  5. Step 5: Solve for x
    x = 171,848,838,547,940,352/449,074,248.80
  6. Step 6: Final answer
    x = 382,673,553.44

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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.