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Finding the Fourth Proportional to 662,420.92, 993,647.70 and 241,696.72

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Solution

The fourth proportional to 662,420.92, 993,647.70 and 241,696.72 is: 362,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,420.92 : 993,647.70 = 241,696.72 : x
  2. Step 2: Convert to fraction form
    662,420.92/993,647.70 = 241,696.72/x
  3. Step 3: Cross multiply
    662,420.92x = 993,647.70 × 241,696.72
  4. Step 4: Simplify right side
    662,420.92x = 240,161,389,925.54
  5. Step 5: Solve for x
    x = 240,161,389,925.54/662,420.92
  6. Step 6: Final answer
    x = 362,551.03

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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.