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Finding the Fourth Proportional to 633,869.47, 950,208.72 and 212,850.10

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Solution

The fourth proportional to 633,869.47, 950,208.72 and 212,850.10 is: 319,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,869.47 : 950,208.72 = 212,850.10 : x
  2. Step 2: Convert to fraction form
    633,869.47/950,208.72 = 212,850.10/x
  3. Step 3: Cross multiply
    633,869.47x = 950,208.72 × 212,850.10
  4. Step 4: Simplify right side
    633,869.47x = 202,252,021,072.87
  5. Step 5: Solve for x
    x = 202,252,021,072.87/633,869.47
  6. Step 6: Final answer
    x = 319,075.19

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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.