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Finding the Fourth Proportional to 604,858.40, 907,633.20 and 231,149.60

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Solution

The fourth proportional to 604,858.40, 907,633.20 and 231,149.60 is: 346,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,858.40 : 907,633.20 = 231,149.60 : x
  2. Step 2: Convert to fraction form
    604,858.40/907,633.20 = 231,149.60/x
  3. Step 3: Cross multiply
    604,858.40x = 907,633.20 × 231,149.60
  4. Step 4: Simplify right side
    604,858.40x = 209,799,051,126.72
  5. Step 5: Solve for x
    x = 209,799,051,126.72/604,858.40
  6. Step 6: Final answer
    x = 346,856.47

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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.