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Finding the Fourth Proportional to 613,317.59, 846,378.21 and 341,379.63

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Solution

The fourth proportional to 613,317.59, 846,378.21 and 341,379.63 is: 471,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,317.59 : 846,378.21 = 341,379.63 : x
  2. Step 2: Convert to fraction form
    613,317.59/846,378.21 = 341,379.63/x
  3. Step 3: Cross multiply
    613,317.59x = 846,378.21 × 341,379.63
  4. Step 4: Simplify right side
    613,317.59x = 288,936,281,450.04
  5. Step 5: Solve for x
    x = 288,936,281,450.04/613,317.59
  6. Step 6: Final answer
    x = 471,103.86

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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.