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Finding the Fourth Proportional to 606,853.36, 909,998.32 and 354,206.80

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Solution

The fourth proportional to 606,853.36, 909,998.32 and 354,206.80 is: 531,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,853.36 : 909,998.32 = 354,206.80 : x
  2. Step 2: Convert to fraction form
    606,853.36/909,998.32 = 354,206.80/x
  3. Step 3: Cross multiply
    606,853.36x = 909,998.32 × 354,206.80
  4. Step 4: Simplify right side
    606,853.36x = 322,327,592,932.58
  5. Step 5: Solve for x
    x = 322,327,592,932.58/606,853.36
  6. Step 6: Final answer
    x = 531,145.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.