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Finding the Fourth Proportional to 604,040.40, 906,643.80 and 367,844.40

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Solution

The fourth proportional to 604,040.40, 906,643.80 and 367,844.40 is: 552,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,040.40 : 906,643.80 = 367,844.40 : x
  2. Step 2: Convert to fraction form
    604,040.40/906,643.80 = 367,844.40/x
  3. Step 3: Cross multiply
    604,040.40x = 906,643.80 × 367,844.40
  4. Step 4: Simplify right side
    604,040.40x = 333,503,844,624.72
  5. Step 5: Solve for x
    x = 333,503,844,624.72/604,040.40
  6. Step 6: Final answer
    x = 552,121.75

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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.