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Finding the Fourth Proportional to 626,945.60, 940,418.40 and 227,599.40

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Solution

The fourth proportional to 626,945.60, 940,418.40 and 227,599.40 is: 341,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,945.60 : 940,418.40 = 227,599.40 : x
  2. Step 2: Convert to fraction form
    626,945.60/940,418.40 = 227,599.40/x
  3. Step 3: Cross multiply
    626,945.60x = 940,418.40 × 227,599.40
  4. Step 4: Simplify right side
    626,945.60x = 214,038,663,588.96
  5. Step 5: Solve for x
    x = 214,038,663,588.96/626,945.60
  6. Step 6: Final answer
    x = 341,399.10

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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.