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Finding the Fourth Proportional to 555,927.10, 833,906.85 and 200,878.18

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Solution

The fourth proportional to 555,927.10, 833,906.85 and 200,878.18 is: 301,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,927.10 : 833,906.85 = 200,878.18 : x
  2. Step 2: Convert to fraction form
    555,927.10/833,906.85 = 200,878.18/x
  3. Step 3: Cross multiply
    555,927.10x = 833,906.85 × 200,878.18
  4. Step 4: Simplify right side
    555,927.10x = 167,513,690,317.53
  5. Step 5: Solve for x
    x = 167,513,690,317.53/555,927.10
  6. Step 6: Final answer
    x = 301,323.12

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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.