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Finding the Fourth Proportional to 342,139.41, 513,312.39 and 182,187.70

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Solution

The fourth proportional to 342,139.41, 513,312.39 and 182,187.70 is: 273,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,139.41 : 513,312.39 = 182,187.70 : x
  2. Step 2: Convert to fraction form
    342,139.41/513,312.39 = 182,187.70/x
  3. Step 3: Cross multiply
    342,139.41x = 513,312.39 × 182,187.70
  4. Step 4: Simplify right side
    342,139.41x = 93,519,202,432.32
  5. Step 5: Solve for x
    x = 93,519,202,432.32/342,139.41
  6. Step 6: Final answer
    x = 273,336.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.