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Finding the Fourth Proportional to 604,906.40, 907,705.20 and 231,197.60

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Solution

The fourth proportional to 604,906.40, 907,705.20 and 231,197.60 is: 346,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,906.40 : 907,705.20 = 231,197.60 : x
  2. Step 2: Convert to fraction form
    604,906.40/907,705.20 = 231,197.60/x
  3. Step 3: Cross multiply
    604,906.40x = 907,705.20 × 231,197.60
  4. Step 4: Simplify right side
    604,906.40x = 209,859,263,747.52
  5. Step 5: Solve for x
    x = 209,859,263,747.52/604,906.40
  6. Step 6: Final answer
    x = 346,928.49

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1.5x scale

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.