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Finding the Fourth Proportional to 482,832.50, 666,300.53 and 267,981.62

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Solution

The fourth proportional to 482,832.50, 666,300.53 and 267,981.62 is: 369,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,832.50 : 666,300.53 = 267,981.62 : x
  2. Step 2: Convert to fraction form
    482,832.50/666,300.53 = 267,981.62/x
  3. Step 3: Cross multiply
    482,832.50x = 666,300.53 × 267,981.62
  4. Step 4: Simplify right side
    482,832.50x = 178,556,292,774.71
  5. Step 5: Solve for x
    x = 178,556,292,774.71/482,832.50
  6. Step 6: Final answer
    x = 369,810.02

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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.