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Finding the Fourth Proportional to 604,419.60, 906,629.40 and 183,640.80

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Solution

The fourth proportional to 604,419.60, 906,629.40 and 183,640.80 is: 275,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,419.60 : 906,629.40 = 183,640.80 : x
  2. Step 2: Convert to fraction form
    604,419.60/906,629.40 = 183,640.80/x
  3. Step 3: Cross multiply
    604,419.60x = 906,629.40 × 183,640.80
  4. Step 4: Simplify right side
    604,419.60x = 166,494,148,319.52
  5. Step 5: Solve for x
    x = 166,494,148,319.52/604,419.60
  6. Step 6: Final answer
    x = 275,461.20

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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.