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Finding the Fourth Proportional to 604,843.20, 834,629.40 and 350,211.60

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Solution

The fourth proportional to 604,843.20, 834,629.40 and 350,211.60 is: 483,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,843.20 : 834,629.40 = 350,211.60 : x
  2. Step 2: Convert to fraction form
    604,843.20/834,629.40 = 350,211.60/x
  3. Step 3: Cross multiply
    604,843.20x = 834,629.40 × 350,211.60
  4. Step 4: Simplify right side
    604,843.20x = 292,296,897,581.04
  5. Step 5: Solve for x
    x = 292,296,897,581.04/604,843.20
  6. Step 6: Final answer
    x = 483,260.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.