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Finding the Fourth Proportional to 247,453.77, 341,492.81 and 134,276.61

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Solution

The fourth proportional to 247,453.77, 341,492.81 and 134,276.61 is: 185,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,453.77 : 341,492.81 = 134,276.61 : x
  2. Step 2: Convert to fraction form
    247,453.77/341,492.81 = 134,276.61/x
  3. Step 3: Cross multiply
    247,453.77x = 341,492.81 × 134,276.61
  4. Step 4: Simplify right side
    247,453.77x = 45,854,496,866.17
  5. Step 5: Solve for x
    x = 45,854,496,866.17/247,453.77
  6. Step 6: Final answer
    x = 185,305.31

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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.