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Finding the Fourth Proportional to 604,538.10, 906,029.55 and 367,629.30

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Solution

The fourth proportional to 604,538.10, 906,029.55 and 367,629.30 is: 550,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,538.10 : 906,029.55 = 367,629.30 : x
  2. Step 2: Convert to fraction form
    604,538.10/906,029.55 = 367,629.30/x
  3. Step 3: Cross multiply
    604,538.10x = 906,029.55 × 367,629.30
  4. Step 4: Simplify right side
    604,538.10x = 333,083,009,245.82
  5. Step 5: Solve for x
    x = 333,083,009,245.82/604,538.10
  6. Step 6: Final answer
    x = 550,971.08

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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.