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Finding the Fourth Proportional to 282,401.55, 421,570.74 and 241,985.37

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Solution

The fourth proportional to 282,401.55, 421,570.74 and 241,985.37 is: 361,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,401.55 : 421,570.74 = 241,985.37 : x
  2. Step 2: Convert to fraction form
    282,401.55/421,570.74 = 241,985.37/x
  3. Step 3: Cross multiply
    282,401.55x = 421,570.74 × 241,985.37
  4. Step 4: Simplify right side
    282,401.55x = 102,013,951,500.07
  5. Step 5: Solve for x
    x = 102,013,951,500.07/282,401.55
  6. Step 6: Final answer
    x = 361,237.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.