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Finding the Fourth Proportional to 350,876.62, 484,214.71 and 214,860.94

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Solution

The fourth proportional to 350,876.62, 484,214.71 and 214,860.94 is: 296,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,876.62 : 484,214.71 = 214,860.94 : x
  2. Step 2: Convert to fraction form
    350,876.62/484,214.71 = 214,860.94/x
  3. Step 3: Cross multiply
    350,876.62x = 484,214.71 × 214,860.94
  4. Step 4: Simplify right side
    350,876.62x = 104,038,827,752.43
  5. Step 5: Solve for x
    x = 104,038,827,752.43/350,876.62
  6. Step 6: Final answer
    x = 296,511.14

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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.