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Finding the Fourth Proportional to 737,259.12, 1,105,230.12 and 287,875.44

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Solution

The fourth proportional to 737,259.12, 1,105,230.12 and 287,875.44 is: 431,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,259.12 : 1,105,230.12 = 287,875.44 : x
  2. Step 2: Convert to fraction form
    737,259.12/1,105,230.12 = 287,875.44/x
  3. Step 3: Cross multiply
    737,259.12x = 1,105,230.12 × 287,875.44
  4. Step 4: Simplify right side
    737,259.12x = 318,168,607,096.25
  5. Step 5: Solve for x
    x = 318,168,607,096.25/737,259.12
  6. Step 6: Final answer
    x = 431,556.01

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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.