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Finding the Fourth Proportional to 303,649.92, 419,005.08 and 176,300.64

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Solution

The fourth proportional to 303,649.92, 419,005.08 and 176,300.64 is: 243,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,649.92 : 419,005.08 = 176,300.64 : x
  2. Step 2: Convert to fraction form
    303,649.92/419,005.08 = 176,300.64/x
  3. Step 3: Cross multiply
    303,649.92x = 419,005.08 × 176,300.64
  4. Step 4: Simplify right side
    303,649.92x = 73,870,863,767.25
  5. Step 5: Solve for x
    x = 73,870,863,767.25/303,649.92
  6. Step 6: Final answer
    x = 243,276.41

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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.