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Finding the Fourth Proportional to 210,879.28, 291,340.30 and 176,827.70

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Solution

The fourth proportional to 210,879.28, 291,340.30 and 176,827.70 is: 244,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,879.28 : 291,340.30 = 176,827.70 : x
  2. Step 2: Convert to fraction form
    210,879.28/291,340.30 = 176,827.70/x
  3. Step 3: Cross multiply
    210,879.28x = 291,340.30 × 176,827.70
  4. Step 4: Simplify right side
    210,879.28x = 51,517,035,166.31
  5. Step 5: Solve for x
    x = 51,517,035,166.31/210,879.28
  6. Step 6: Final answer
    x = 244,296.33

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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.