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Finding the Fourth Proportional to 636,303.88, 954,433.95 and 162,993.34

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Solution

The fourth proportional to 636,303.88, 954,433.95 and 162,993.34 is: 244,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,303.88 : 954,433.95 = 162,993.34 : x
  2. Step 2: Convert to fraction form
    636,303.88/954,433.95 = 162,993.34/x
  3. Step 3: Cross multiply
    636,303.88x = 954,433.95 × 162,993.34
  4. Step 4: Simplify right side
    636,303.88x = 155,566,377,319.89
  5. Step 5: Solve for x
    x = 155,566,377,319.89/636,303.88
  6. Step 6: Final answer
    x = 244,484.41

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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.