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Finding the Fourth Proportional to 922,552.50, 1,384,062.03 and 257,704.50

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Solution

The fourth proportional to 922,552.50, 1,384,062.03 and 257,704.50 is: 386,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,552.50 : 1,384,062.03 = 257,704.50 : x
  2. Step 2: Convert to fraction form
    922,552.50/1,384,062.03 = 257,704.50/x
  3. Step 3: Cross multiply
    922,552.50x = 1,384,062.03 × 257,704.50
  4. Step 4: Simplify right side
    922,552.50x = 356,679,013,410.14
  5. Step 5: Solve for x
    x = 356,679,013,410.14/922,552.50
  6. Step 6: Final answer
    x = 386,621.91

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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.