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Finding the Fourth Proportional to 613,255.55, 846,284.19 and 341,323.55

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Solution

The fourth proportional to 613,255.55, 846,284.19 and 341,323.55 is: 471,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,255.55 : 846,284.19 = 341,323.55 : x
  2. Step 2: Convert to fraction form
    613,255.55/846,284.19 = 341,323.55/x
  3. Step 3: Cross multiply
    613,255.55x = 846,284.19 × 341,323.55
  4. Step 4: Simplify right side
    613,255.55x = 288,856,719,808.25
  5. Step 5: Solve for x
    x = 288,856,719,808.25/613,255.55
  6. Step 6: Final answer
    x = 471,021.78

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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.