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Finding the Fourth Proportional to 529,527, 730,747.26 and 291,063

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Solution

The fourth proportional to 529,527, 730,747.26 and 291,063 is: 401,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,527 : 730,747.26 = 291,063 : x
  2. Step 2: Convert to fraction form
    529,527/730,747.26 = 291,063/x
  3. Step 3: Cross multiply
    529,527x = 730,747.26 × 291,063
  4. Step 4: Simplify right side
    529,527x = 212,693,489,737.38
  5. Step 5: Solve for x
    x = 212,693,489,737.38/529,527
  6. Step 6: Final answer
    x = 401,666.94

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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.