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Finding the Fourth Proportional to 604,617.96, 906,538.14 and 289,067.88

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Solution

The fourth proportional to 604,617.96, 906,538.14 and 289,067.88 is: 433,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,617.96 : 906,538.14 = 289,067.88 : x
  2. Step 2: Convert to fraction form
    604,617.96/906,538.14 = 289,067.88/x
  3. Step 3: Cross multiply
    604,617.96x = 906,538.14 × 289,067.88
  4. Step 4: Simplify right side
    604,617.96x = 262,051,058,268.94
  5. Step 5: Solve for x
    x = 262,051,058,268.94/604,617.96
  6. Step 6: Final answer
    x = 433,415.93

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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.