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Finding the Fourth Proportional to 624,279.60, 936,419.40 and 224,933.40

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Solution

The fourth proportional to 624,279.60, 936,419.40 and 224,933.40 is: 337,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,279.60 : 936,419.40 = 224,933.40 : x
  2. Step 2: Convert to fraction form
    624,279.60/936,419.40 = 224,933.40/x
  3. Step 3: Cross multiply
    624,279.60x = 936,419.40 × 224,933.40
  4. Step 4: Simplify right side
    624,279.60x = 210,631,999,467.96
  5. Step 5: Solve for x
    x = 210,631,999,467.96/624,279.60
  6. Step 6: Final answer
    x = 337,400.10

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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.