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Finding the Fourth Proportional to 386,627.01, 533,544.17 and 214,570.94

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Solution

The fourth proportional to 386,627.01, 533,544.17 and 214,570.94 is: 296,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,627.01 : 533,544.17 = 214,570.94 : x
  2. Step 2: Convert to fraction form
    386,627.01/533,544.17 = 214,570.94/x
  3. Step 3: Cross multiply
    386,627.01x = 533,544.17 × 214,570.94
  4. Step 4: Simplify right side
    386,627.01x = 114,483,071,098.14
  5. Step 5: Solve for x
    x = 114,483,071,098.14/386,627.01
  6. Step 6: Final answer
    x = 296,107.28

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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.