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Finding the Fourth Proportional to 613,682.17, 846,857.78 and 341,761.53

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Solution

The fourth proportional to 613,682.17, 846,857.78 and 341,761.53 is: 471,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,682.17 : 846,857.78 = 341,761.53 : x
  2. Step 2: Convert to fraction form
    613,682.17/846,857.78 = 341,761.53/x
  3. Step 3: Cross multiply
    613,682.17x = 846,857.78 × 341,761.53
  4. Step 4: Simplify right side
    613,682.17x = 289,423,404,642.11
  5. Step 5: Solve for x
    x = 289,423,404,642.11/613,682.17
  6. Step 6: Final answer
    x = 471,617.75

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1.5x scale

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.