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Finding the Fourth Proportional to 334,418.10, 501,627.15 and 308,830.20

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Solution

The fourth proportional to 334,418.10, 501,627.15 and 308,830.20 is: 463,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,418.10 : 501,627.15 = 308,830.20 : x
  2. Step 2: Convert to fraction form
    334,418.10/501,627.15 = 308,830.20/x
  3. Step 3: Cross multiply
    334,418.10x = 501,627.15 × 308,830.20
  4. Step 4: Simplify right side
    334,418.10x = 154,917,613,059.93
  5. Step 5: Solve for x
    x = 154,917,613,059.93/334,418.10
  6. Step 6: Final answer
    x = 463,245.30

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1.5x scale

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.