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Finding the Fourth Proportional to 649,930.37, 897,027.89 and 435,444.39

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Solution

The fourth proportional to 649,930.37, 897,027.89 and 435,444.39 is: 600,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,930.37 : 897,027.89 = 435,444.39 : x
  2. Step 2: Convert to fraction form
    649,930.37/897,027.89 = 435,444.39/x
  3. Step 3: Cross multiply
    649,930.37x = 897,027.89 × 435,444.39
  4. Step 4: Simplify right side
    649,930.37x = 390,605,760,196.82
  5. Step 5: Solve for x
    x = 390,605,760,196.82/649,930.37
  6. Step 6: Final answer
    x = 600,996.32

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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.