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Finding the Fourth Proportional to 351,307.94, 484,870.63 and 200,404.94

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Solution

The fourth proportional to 351,307.94, 484,870.63 and 200,404.94 is: 276,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,307.94 : 484,870.63 = 200,404.94 : x
  2. Step 2: Convert to fraction form
    351,307.94/484,870.63 = 200,404.94/x
  3. Step 3: Cross multiply
    351,307.94x = 484,870.63 × 200,404.94
  4. Step 4: Simplify right side
    351,307.94x = 97,170,468,801.75
  5. Step 5: Solve for x
    x = 97,170,468,801.75/351,307.94
  6. Step 6: Final answer
    x = 276,596.28

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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.