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Finding the Fourth Proportional to 405,273.70, 608,083.35 and 194,803.30

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Solution

The fourth proportional to 405,273.70, 608,083.35 and 194,803.30 is: 292,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,273.70 : 608,083.35 = 194,803.30 : x
  2. Step 2: Convert to fraction form
    405,273.70/608,083.35 = 194,803.30/x
  3. Step 3: Cross multiply
    405,273.70x = 608,083.35 × 194,803.30
  4. Step 4: Simplify right side
    405,273.70x = 118,456,643,255.06
  5. Step 5: Solve for x
    x = 118,456,643,255.06/405,273.70
  6. Step 6: Final answer
    x = 292,288.01

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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.