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Finding the Fourth Proportional to 535,202.11, 737,864.41 and 425,185.78

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Solution

The fourth proportional to 535,202.11, 737,864.41 and 425,185.78 is: 586,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,202.11 : 737,864.41 = 425,185.78 : x
  2. Step 2: Convert to fraction form
    535,202.11/737,864.41 = 425,185.78/x
  3. Step 3: Cross multiply
    535,202.11x = 737,864.41 × 425,185.78
  4. Step 4: Simplify right side
    535,202.11x = 313,729,452,574.16
  5. Step 5: Solve for x
    x = 313,729,452,574.16/535,202.11
  6. Step 6: Final answer
    x = 586,188.74

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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.