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Finding the Fourth Proportional to 529,654.59, 730,907.82 and 300,233.03

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Solution

The fourth proportional to 529,654.59, 730,907.82 and 300,233.03 is: 414,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,654.59 : 730,907.82 = 300,233.03 : x
  2. Step 2: Convert to fraction form
    529,654.59/730,907.82 = 300,233.03/x
  3. Step 3: Cross multiply
    529,654.59x = 730,907.82 × 300,233.03
  4. Step 4: Simplify right side
    529,654.59x = 219,442,665,794.76
  5. Step 5: Solve for x
    x = 219,442,665,794.76/529,654.59
  6. Step 6: Final answer
    x = 414,312.78

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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.