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Finding the Fourth Proportional to 737,133.40, 1,105,700.10 and 263,834.20

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Solution

The fourth proportional to 737,133.40, 1,105,700.10 and 263,834.20 is: 395,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,133.40 : 1,105,700.10 = 263,834.20 : x
  2. Step 2: Convert to fraction form
    737,133.40/1,105,700.10 = 263,834.20/x
  3. Step 3: Cross multiply
    737,133.40x = 1,105,700.10 × 263,834.20
  4. Step 4: Simplify right side
    737,133.40x = 291,721,501,323.42
  5. Step 5: Solve for x
    x = 291,721,501,323.42/737,133.40
  6. Step 6: Final answer
    x = 395,751.30

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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.