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Finding the Fourth Proportional to 636,019.76, 954,024.77 and 162,704.36

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Solution

The fourth proportional to 636,019.76, 954,024.77 and 162,704.36 is: 244,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,019.76 : 954,024.77 = 162,704.36 : x
  2. Step 2: Convert to fraction form
    636,019.76/954,024.77 = 162,704.36/x
  3. Step 3: Cross multiply
    636,019.76x = 954,024.77 × 162,704.36
  4. Step 4: Simplify right side
    636,019.76x = 155,223,984,043.35
  5. Step 5: Solve for x
    x = 155,223,984,043.35/636,019.76
  6. Step 6: Final answer
    x = 244,055.29

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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.