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Finding the Fourth Proportional to 562,874.46, 776,884.04 and 517,480.54

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Solution

The fourth proportional to 562,874.46, 776,884.04 and 517,480.54 is: 714,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,874.46 : 776,884.04 = 517,480.54 : x
  2. Step 2: Convert to fraction form
    562,874.46/776,884.04 = 517,480.54/x
  3. Step 3: Cross multiply
    562,874.46x = 776,884.04 × 517,480.54
  4. Step 4: Simplify right side
    562,874.46x = 402,022,368,006.97
  5. Step 5: Solve for x
    x = 402,022,368,006.97/562,874.46
  6. Step 6: Final answer
    x = 714,230.96

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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.