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Finding the Fourth Proportional to 474,742.06, 711,621 and 296,840.56

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Solution

The fourth proportional to 474,742.06, 711,621 and 296,840.56 is: 444,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,742.06 : 711,621 = 296,840.56 : x
  2. Step 2: Convert to fraction form
    474,742.06/711,621 = 296,840.56/x
  3. Step 3: Cross multiply
    474,742.06x = 711,621 × 296,840.56
  4. Step 4: Simplify right side
    474,742.06x = 211,237,976,147.76
  5. Step 5: Solve for x
    x = 211,237,976,147.76/474,742.06
  6. Step 6: Final answer
    x = 444,953.15

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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.