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Finding the Fourth Proportional to 562,407.35, 776,122.22 and 307,758.56

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Solution

The fourth proportional to 562,407.35, 776,122.22 and 307,758.56 is: 424,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,407.35 : 776,122.22 = 307,758.56 : x
  2. Step 2: Convert to fraction form
    562,407.35/776,122.22 = 307,758.56/x
  3. Step 3: Cross multiply
    562,407.35x = 776,122.22 × 307,758.56
  4. Step 4: Simplify right side
    562,407.35x = 238,858,257,212.72
  5. Step 5: Solve for x
    x = 238,858,257,212.72/562,407.35
  6. Step 6: Final answer
    x = 424,706.85

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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.