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Finding the Fourth Proportional to 303,206.80, 453,935.40 and 185,108.80

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Solution

The fourth proportional to 303,206.80, 453,935.40 and 185,108.80 is: 277,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,206.80 : 453,935.40 = 185,108.80 : x
  2. Step 2: Convert to fraction form
    303,206.80/453,935.40 = 185,108.80/x
  3. Step 3: Cross multiply
    303,206.80x = 453,935.40 × 185,108.80
  4. Step 4: Simplify right side
    303,206.80x = 84,027,437,171.52
  5. Step 5: Solve for x
    x = 84,027,437,171.52/303,206.80
  6. Step 6: Final answer
    x = 277,129.13

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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.