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Finding the Fourth Proportional to 655,366.37, 904,189.30 and 534,299.51

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Solution

The fourth proportional to 655,366.37, 904,189.30 and 534,299.51 is: 737,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,366.37 : 904,189.30 = 534,299.51 : x
  2. Step 2: Convert to fraction form
    655,366.37/904,189.30 = 534,299.51/x
  3. Step 3: Cross multiply
    655,366.37x = 904,189.30 × 534,299.51
  4. Step 4: Simplify right side
    655,366.37x = 483,107,900,861.97
  5. Step 5: Solve for x
    x = 483,107,900,861.97/655,366.37
  6. Step 6: Final answer
    x = 737,157.00

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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.