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Finding the Fourth Proportional to 338,969.92, 467,807.54 and 186,037.66

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Solution

The fourth proportional to 338,969.92, 467,807.54 and 186,037.66 is: 256,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,969.92 : 467,807.54 = 186,037.66 : x
  2. Step 2: Convert to fraction form
    338,969.92/467,807.54 = 186,037.66/x
  3. Step 3: Cross multiply
    338,969.92x = 467,807.54 × 186,037.66
  4. Step 4: Simplify right side
    338,969.92x = 87,029,820,071.96
  5. Step 5: Solve for x
    x = 87,029,820,071.96/338,969.92
  6. Step 6: Final answer
    x = 256,747.91

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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.