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Finding the Fourth Proportional to 602,746.05, 904,153.70 and 218,578.54

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Solution

The fourth proportional to 602,746.05, 904,153.70 and 218,578.54 is: 327,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,746.05 : 904,153.70 = 218,578.54 : x
  2. Step 2: Convert to fraction form
    602,746.05/904,153.70 = 218,578.54/x
  3. Step 3: Cross multiply
    602,746.05x = 904,153.70 × 218,578.54
  4. Step 4: Simplify right side
    602,746.05x = 197,628,590,067.94
  5. Step 5: Solve for x
    x = 197,628,590,067.94/602,746.05
  6. Step 6: Final answer
    x = 327,880.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.