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Finding the Fourth Proportional to 442,332.84, 663,499.74 and 109,908.84

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Solution

The fourth proportional to 442,332.84, 663,499.74 and 109,908.84 is: 164,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,332.84 : 663,499.74 = 109,908.84 : x
  2. Step 2: Convert to fraction form
    442,332.84/663,499.74 = 109,908.84/x
  3. Step 3: Cross multiply
    442,332.84x = 663,499.74 × 109,908.84
  4. Step 4: Simplify right side
    442,332.84x = 72,924,486,763.70
  5. Step 5: Solve for x
    x = 72,924,486,763.70/442,332.84
  6. Step 6: Final answer
    x = 164,863.38

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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.