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Finding the Fourth Proportional to 230,018.60, 344,371.80 and 203,774.60

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Solution

The fourth proportional to 230,018.60, 344,371.80 and 203,774.60 is: 305,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,018.60 : 344,371.80 = 203,774.60 : x
  2. Step 2: Convert to fraction form
    230,018.60/344,371.80 = 203,774.60/x
  3. Step 3: Cross multiply
    230,018.60x = 344,371.80 × 203,774.60
  4. Step 4: Simplify right side
    230,018.60x = 70,174,225,796.28
  5. Step 5: Solve for x
    x = 70,174,225,796.28/230,018.60
  6. Step 6: Final answer
    x = 305,080.66

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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.