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Finding the Fourth Proportional to 372,905.80, 559,358.70 and 204,944.20

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Solution

The fourth proportional to 372,905.80, 559,358.70 and 204,944.20 is: 307,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,905.80 : 559,358.70 = 204,944.20 : x
  2. Step 2: Convert to fraction form
    372,905.80/559,358.70 = 204,944.20/x
  3. Step 3: Cross multiply
    372,905.80x = 559,358.70 × 204,944.20
  4. Step 4: Simplify right side
    372,905.80x = 114,637,321,284.54
  5. Step 5: Solve for x
    x = 114,637,321,284.54/372,905.80
  6. Step 6: Final answer
    x = 307,416.30

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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.