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Finding the Fourth Proportional to 562,512.90, 776,269.84 and 304,389.83

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Solution

The fourth proportional to 562,512.90, 776,269.84 and 304,389.83 is: 420,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,512.90 : 776,269.84 = 304,389.83 : x
  2. Step 2: Convert to fraction form
    562,512.90/776,269.84 = 304,389.83/x
  3. Step 3: Cross multiply
    562,512.90x = 776,269.84 × 304,389.83
  4. Step 4: Simplify right side
    562,512.90x = 236,288,645,172.76
  5. Step 5: Solve for x
    x = 236,288,645,172.76/562,512.90
  6. Step 6: Final answer
    x = 420,059.07

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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.