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Finding the Fourth Proportional to 363,577.33, 501,730.72 and 212,699.89

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Solution

The fourth proportional to 363,577.33, 501,730.72 and 212,699.89 is: 293,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,577.33 : 501,730.72 = 212,699.89 : x
  2. Step 2: Convert to fraction form
    363,577.33/501,730.72 = 212,699.89/x
  3. Step 3: Cross multiply
    363,577.33x = 501,730.72 × 212,699.89
  4. Step 4: Simplify right side
    363,577.33x = 106,718,068,953.62
  5. Step 5: Solve for x
    x = 106,718,068,953.62/363,577.33
  6. Step 6: Final answer
    x = 293,522.34

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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.