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Finding the Fourth Proportional to 624,048.76, 936,194.28 and 239,769.40

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Solution

The fourth proportional to 624,048.76, 936,194.28 and 239,769.40 is: 359,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,048.76 : 936,194.28 = 239,769.40 : x
  2. Step 2: Convert to fraction form
    624,048.76/936,194.28 = 239,769.40/x
  3. Step 3: Cross multiply
    624,048.76x = 936,194.28 × 239,769.40
  4. Step 4: Simplify right side
    624,048.76x = 224,470,740,799.03
  5. Step 5: Solve for x
    x = 224,470,740,799.03/624,048.76
  6. Step 6: Final answer
    x = 359,700.64

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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.