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Finding the Fourth Proportional to 613,344.82, 846,440.72 and 341,395.47

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Solution

The fourth proportional to 613,344.82, 846,440.72 and 341,395.47 is: 471,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,344.82 : 846,440.72 = 341,395.47 : x
  2. Step 2: Convert to fraction form
    613,344.82/846,440.72 = 341,395.47/x
  3. Step 3: Cross multiply
    613,344.82x = 846,440.72 × 341,395.47
  4. Step 4: Simplify right side
    613,344.82x = 288,971,028,285.03
  5. Step 5: Solve for x
    x = 288,971,028,285.03/613,344.82
  6. Step 6: Final answer
    x = 471,139.59

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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.