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Finding the Fourth Proportional to 374,418.10, 516,696.06 and 204,653.44

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Solution

The fourth proportional to 374,418.10, 516,696.06 and 204,653.44 is: 282,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,418.10 : 516,696.06 = 204,653.44 : x
  2. Step 2: Convert to fraction form
    374,418.10/516,696.06 = 204,653.44/x
  3. Step 3: Cross multiply
    374,418.10x = 516,696.06 × 204,653.44
  4. Step 4: Simplify right side
    374,418.10x = 105,743,626,113.45
  5. Step 5: Solve for x
    x = 105,743,626,113.45/374,418.10
  6. Step 6: Final answer
    x = 282,421.25

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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.