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Finding the Fourth Proportional to 636,993.02, 955,523.01 and 163,681.58

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Solution

The fourth proportional to 636,993.02, 955,523.01 and 163,681.58 is: 245,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,993.02 : 955,523.01 = 163,681.58 : x
  2. Step 2: Convert to fraction form
    636,993.02/955,523.01 = 163,681.58/x
  3. Step 3: Cross multiply
    636,993.02x = 955,523.01 × 163,681.58
  4. Step 4: Simplify right side
    636,993.02x = 156,401,516,003.16
  5. Step 5: Solve for x
    x = 156,401,516,003.16/636,993.02
  6. Step 6: Final answer
    x = 245,530.97

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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.