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Finding the Fourth Proportional to 586,131.53, 808,867.22 and 344,419.43

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Solution

The fourth proportional to 586,131.53, 808,867.22 and 344,419.43 is: 475,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,131.53 : 808,867.22 = 344,419.43 : x
  2. Step 2: Convert to fraction form
    586,131.53/808,867.22 = 344,419.43/x
  3. Step 3: Cross multiply
    586,131.53x = 808,867.22 × 344,419.43
  4. Step 4: Simplify right side
    586,131.53x = 278,589,581,091.65
  5. Step 5: Solve for x
    x = 278,589,581,091.65/586,131.53
  6. Step 6: Final answer
    x = 475,302.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.