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Finding the Fourth Proportional to 562,999.56, 776,938.92 and 304,876.38

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Solution

The fourth proportional to 562,999.56, 776,938.92 and 304,876.38 is: 420,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,999.56 : 776,938.92 = 304,876.38 : x
  2. Step 2: Convert to fraction form
    562,999.56/776,938.92 = 304,876.38/x
  3. Step 3: Cross multiply
    562,999.56x = 776,938.92 × 304,876.38
  4. Step 4: Simplify right side
    562,999.56x = 236,870,325,410.71
  5. Step 5: Solve for x
    x = 236,870,325,410.71/562,999.56
  6. Step 6: Final answer
    x = 420,729.15

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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.