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Finding the Fourth Proportional to 247,453.50, 341,486.74 and 134,276.25

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Solution

The fourth proportional to 247,453.50, 341,486.74 and 134,276.25 is: 185,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,453.50 : 341,486.74 = 134,276.25 : x
  2. Step 2: Convert to fraction form
    247,453.50/341,486.74 = 134,276.25/x
  3. Step 3: Cross multiply
    247,453.50x = 341,486.74 × 134,276.25
  4. Step 4: Simplify right side
    247,453.50x = 45,853,559,039.77
  5. Step 5: Solve for x
    x = 45,853,559,039.77/247,453.50
  6. Step 6: Final answer
    x = 185,301.72

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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.