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Finding the Fourth Proportional to 624,178.50, 936,046.32 and 224,712.01

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Solution

The fourth proportional to 624,178.50, 936,046.32 and 224,712.01 is: 336,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,178.50 : 936,046.32 = 224,712.01 : x
  2. Step 2: Convert to fraction form
    624,178.50/936,046.32 = 224,712.01/x
  3. Step 3: Cross multiply
    624,178.50x = 936,046.32 × 224,712.01
  4. Step 4: Simplify right side
    624,178.50x = 210,340,850,020.30
  5. Step 5: Solve for x
    x = 210,340,850,020.30/624,178.50
  6. Step 6: Final answer
    x = 336,988.30

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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.