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Finding the Fourth Proportional to 603,577.03, 904,479.40 and 303,645.37

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Solution

The fourth proportional to 603,577.03, 904,479.40 and 303,645.37 is: 455,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,577.03 : 904,479.40 = 303,645.37 : x
  2. Step 2: Convert to fraction form
    603,577.03/904,479.40 = 303,645.37/x
  3. Step 3: Cross multiply
    603,577.03x = 904,479.40 × 303,645.37
  4. Step 4: Simplify right side
    603,577.03x = 274,640,982,070.38
  5. Step 5: Solve for x
    x = 274,640,982,070.38/603,577.03
  6. Step 6: Final answer
    x = 455,022.26

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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.