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Finding the Fourth Proportional to 303,210.30, 453,940.65 and 185,112.30

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Solution

The fourth proportional to 303,210.30, 453,940.65 and 185,112.30 is: 277,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,210.30 : 453,940.65 = 185,112.30 : x
  2. Step 2: Convert to fraction form
    303,210.30/453,940.65 = 185,112.30/x
  3. Step 3: Cross multiply
    303,210.30x = 453,940.65 × 185,112.30
  4. Step 4: Simplify right side
    303,210.30x = 84,029,997,785.00
  5. Step 5: Solve for x
    x = 84,029,997,785.00/303,210.30
  6. Step 6: Final answer
    x = 277,134.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.