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Finding the Fourth Proportional to 603,673.47, 904,947.21 and 204,036.21

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Solution

The fourth proportional to 603,673.47, 904,947.21 and 204,036.21 is: 305,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,673.47 : 904,947.21 = 204,036.21 : x
  2. Step 2: Convert to fraction form
    603,673.47/904,947.21 = 204,036.21/x
  3. Step 3: Cross multiply
    603,673.47x = 904,947.21 × 204,036.21
  4. Step 4: Simplify right side
    603,673.47x = 184,641,998,978.47
  5. Step 5: Solve for x
    x = 184,641,998,978.47/603,673.47
  6. Step 6: Final answer
    x = 305,864.03

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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.