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Finding the Fourth Proportional to 636,066.69, 954,240.84 and 209,585.36

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Solution

The fourth proportional to 636,066.69, 954,240.84 and 209,585.36 is: 314,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,066.69 : 954,240.84 = 209,585.36 : x
  2. Step 2: Convert to fraction form
    636,066.69/954,240.84 = 209,585.36/x
  3. Step 3: Cross multiply
    636,066.69x = 954,240.84 × 209,585.36
  4. Step 4: Simplify right side
    636,066.69x = 199,994,905,206.90
  5. Step 5: Solve for x
    x = 199,994,905,206.90/636,066.69
  6. Step 6: Final answer
    x = 314,424.43

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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.