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Finding the Fourth Proportional to 613,319.59, 846,380.97 and 341,381.63

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Solution

The fourth proportional to 613,319.59, 846,380.97 and 341,381.63 is: 471,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,319.59 : 846,380.97 = 341,381.63 : x
  2. Step 2: Convert to fraction form
    613,319.59/846,380.97 = 341,381.63/x
  3. Step 3: Cross multiply
    613,319.59x = 846,380.97 × 341,381.63
  4. Step 4: Simplify right side
    613,319.59x = 288,938,915,139.58
  5. Step 5: Solve for x
    x = 288,938,915,139.58/613,319.59
  6. Step 6: Final answer
    x = 471,106.61

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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.