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Finding the Fourth Proportional to 735,420.80, 1,102,999.68 and 195,680

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Solution

The fourth proportional to 735,420.80, 1,102,999.68 and 195,680 is: 293,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,420.80 : 1,102,999.68 = 195,680 : x
  2. Step 2: Convert to fraction form
    735,420.80/1,102,999.68 = 195,680/x
  3. Step 3: Cross multiply
    735,420.80x = 1,102,999.68 × 195,680
  4. Step 4: Simplify right side
    735,420.80x = 215,834,977,382.40
  5. Step 5: Solve for x
    x = 215,834,977,382.40/735,420.80
  6. Step 6: Final answer
    x = 293,485.01

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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.