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Finding the Fourth Proportional to 301,511.77, 416,280.96 and 186,912.88

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Solution

The fourth proportional to 301,511.77, 416,280.96 and 186,912.88 is: 258,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,511.77 : 416,280.96 = 186,912.88 : x
  2. Step 2: Convert to fraction form
    301,511.77/416,280.96 = 186,912.88/x
  3. Step 3: Cross multiply
    301,511.77x = 416,280.96 × 186,912.88
  4. Step 4: Simplify right side
    301,511.77x = 77,808,273,778.55
  5. Step 5: Solve for x
    x = 77,808,273,778.55/301,511.77
  6. Step 6: Final answer
    x = 258,060.49

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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.