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Finding the Fourth Proportional to 636,035.40, 954,053.91 and 236,624.40

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Solution

The fourth proportional to 636,035.40, 954,053.91 and 236,624.40 is: 354,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,035.40 : 954,053.91 = 236,624.40 : x
  2. Step 2: Convert to fraction form
    636,035.40/954,053.91 = 236,624.40/x
  3. Step 3: Cross multiply
    636,035.40x = 954,053.91 × 236,624.40
  4. Step 4: Simplify right side
    636,035.40x = 225,752,434,021.40
  5. Step 5: Solve for x
    x = 225,752,434,021.40/636,035.40
  6. Step 6: Final answer
    x = 354,936.90

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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.