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Finding the Fourth Proportional to 534,637.13, 737,617.59 and 305,029.46

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Solution

The fourth proportional to 534,637.13, 737,617.59 and 305,029.46 is: 420,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,637.13 : 737,617.59 = 305,029.46 : x
  2. Step 2: Convert to fraction form
    534,637.13/737,617.59 = 305,029.46/x
  3. Step 3: Cross multiply
    534,637.13x = 737,617.59 × 305,029.46
  4. Step 4: Simplify right side
    534,637.13x = 224,995,097,008.25
  5. Step 5: Solve for x
    x = 224,995,097,008.25/534,637.13
  6. Step 6: Final answer
    x = 420,837.02

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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.