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Finding the Fourth Proportional to 626,946.60, 940,419.90 and 227,600.40

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Solution

The fourth proportional to 626,946.60, 940,419.90 and 227,600.40 is: 341,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,946.60 : 940,419.90 = 227,600.40 : x
  2. Step 2: Convert to fraction form
    626,946.60/940,419.90 = 227,600.40/x
  3. Step 3: Cross multiply
    626,946.60x = 940,419.90 × 227,600.40
  4. Step 4: Simplify right side
    626,946.60x = 214,039,945,407.96
  5. Step 5: Solve for x
    x = 214,039,945,407.96/626,946.60
  6. Step 6: Final answer
    x = 341,400.60

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Double scale
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Similar ratio
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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.