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Finding the Fourth Proportional to 636,617.36, 954,723.51 and 210,073.69

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Solution

The fourth proportional to 636,617.36, 954,723.51 and 210,073.69 is: 315,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,617.36 : 954,723.51 = 210,073.69 : x
  2. Step 2: Convert to fraction form
    636,617.36/954,723.51 = 210,073.69/x
  3. Step 3: Cross multiply
    636,617.36x = 954,723.51 × 210,073.69
  4. Step 4: Simplify right side
    636,617.36x = 200,562,285,901.83
  5. Step 5: Solve for x
    x = 200,562,285,901.83/636,617.36
  6. Step 6: Final answer
    x = 315,043.70

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1.5x scale

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.