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Finding the Fourth Proportional to 401,479.66, 602,276.76 and 131,550.04

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Solution

The fourth proportional to 401,479.66, 602,276.76 and 131,550.04 is: 197,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,479.66 : 602,276.76 = 131,550.04 : x
  2. Step 2: Convert to fraction form
    401,479.66/602,276.76 = 131,550.04/x
  3. Step 3: Cross multiply
    401,479.66x = 602,276.76 × 131,550.04
  4. Step 4: Simplify right side
    401,479.66x = 79,229,531,869.07
  5. Step 5: Solve for x
    x = 79,229,531,869.07/401,479.66
  6. Step 6: Final answer
    x = 197,343.83

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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.