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Finding the Fourth Proportional to 344,193.12, 475,027.20 and 193,289.76

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Solution

The fourth proportional to 344,193.12, 475,027.20 and 193,289.76 is: 266,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,193.12 : 475,027.20 = 193,289.76 : x
  2. Step 2: Convert to fraction form
    344,193.12/475,027.20 = 193,289.76/x
  3. Step 3: Cross multiply
    344,193.12x = 475,027.20 × 193,289.76
  4. Step 4: Simplify right side
    344,193.12x = 91,817,893,481.47
  5. Step 5: Solve for x
    x = 91,817,893,481.47/344,193.12
  6. Step 6: Final answer
    x = 266,762.72

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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.