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Finding the Fourth Proportional to 266,861.58, 368,208.74 and 159,410.64

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Solution

The fourth proportional to 266,861.58, 368,208.74 and 159,410.64 is: 219,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,861.58 : 368,208.74 = 159,410.64 : x
  2. Step 2: Convert to fraction form
    266,861.58/368,208.74 = 159,410.64/x
  3. Step 3: Cross multiply
    266,861.58x = 368,208.74 × 159,410.64
  4. Step 4: Simplify right side
    266,861.58x = 58,696,390,896.99
  5. Step 5: Solve for x
    x = 58,696,390,896.99/266,861.58
  6. Step 6: Final answer
    x = 219,950.70

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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.