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Finding the Fourth Proportional to 604,039.80, 833,525.28 and 355,642.26

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Solution

The fourth proportional to 604,039.80, 833,525.28 and 355,642.26 is: 490,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,039.80 : 833,525.28 = 355,642.26 : x
  2. Step 2: Convert to fraction form
    604,039.80/833,525.28 = 355,642.26/x
  3. Step 3: Cross multiply
    604,039.80x = 833,525.28 × 355,642.26
  4. Step 4: Simplify right side
    604,039.80x = 296,436,814,346.33
  5. Step 5: Solve for x
    x = 296,436,814,346.33/604,039.80
  6. Step 6: Final answer
    x = 490,757.09

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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.