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Finding the Fourth Proportional to 557,736,688.80, 836,605,033.20 and 251,626,672.80

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Solution

The fourth proportional to 557,736,688.80, 836,605,033.20 and 251,626,672.80 is: 377,440,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,736,688.80 : 836,605,033.20 = 251,626,672.80 : x
  2. Step 2: Convert to fraction form
    557,736,688.80/836,605,033.20 = 251,626,672.80/x
  3. Step 3: Cross multiply
    557,736,688.80x = 836,605,033.20 × 251,626,672.80
  4. Step 4: Simplify right side
    557,736,688.80x = 210,512,140,951,849,568
  5. Step 5: Solve for x
    x = 210,512,140,951,849,568/557,736,688.80
  6. Step 6: Final answer
    x = 377,440,009.20

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Similar ratio
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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.