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Finding the Fourth Proportional to 607,553.62, 837,796.06 and 521,796.57

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Solution

The fourth proportional to 607,553.62, 837,796.06 and 521,796.57 is: 719,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,553.62 : 837,796.06 = 521,796.57 : x
  2. Step 2: Convert to fraction form
    607,553.62/837,796.06 = 521,796.57/x
  3. Step 3: Cross multiply
    607,553.62x = 837,796.06 × 521,796.57
  4. Step 4: Simplify right side
    607,553.62x = 437,159,107,978.03
  5. Step 5: Solve for x
    x = 437,159,107,978.03/607,553.62
  6. Step 6: Final answer
    x = 719,539.96

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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.