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Finding the Fourth Proportional to 293,341.50, 404,811.30 and 159,205.50

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Solution

The fourth proportional to 293,341.50, 404,811.30 and 159,205.50 is: 219,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,341.50 : 404,811.30 = 159,205.50 : x
  2. Step 2: Convert to fraction form
    293,341.50/404,811.30 = 159,205.50/x
  3. Step 3: Cross multiply
    293,341.50x = 404,811.30 × 159,205.50
  4. Step 4: Simplify right side
    293,341.50x = 64,448,185,422.15
  5. Step 5: Solve for x
    x = 64,448,185,422.15/293,341.50
  6. Step 6: Final answer
    x = 219,703.61

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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.