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Finding the Fourth Proportional to 445,064.65, 614,188.44 and 241,120.72

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Solution

The fourth proportional to 445,064.65, 614,188.44 and 241,120.72 is: 332,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,064.65 : 614,188.44 = 241,120.72 : x
  2. Step 2: Convert to fraction form
    445,064.65/614,188.44 = 241,120.72/x
  3. Step 3: Cross multiply
    445,064.65x = 614,188.44 × 241,120.72
  4. Step 4: Simplify right side
    445,064.65x = 148,093,558,868.48
  5. Step 5: Solve for x
    x = 148,093,558,868.48/445,064.65
  6. Step 6: Final answer
    x = 332,746.17

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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.