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Finding the Fourth Proportional to 441,740.52, 662,526.90 and 121,813.30

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Solution

The fourth proportional to 441,740.52, 662,526.90 and 121,813.30 is: 182,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,740.52 : 662,526.90 = 121,813.30 : x
  2. Step 2: Convert to fraction form
    441,740.52/662,526.90 = 121,813.30/x
  3. Step 3: Cross multiply
    441,740.52x = 662,526.90 × 121,813.30
  4. Step 4: Simplify right side
    441,740.52x = 80,704,589,075.02
  5. Step 5: Solve for x
    x = 80,704,589,075.02/441,740.52
  6. Step 6: Final answer
    x = 182,696.82

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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.