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Finding the Fourth Proportional to 904,015.28, 1,355,978.97 and 335,507.12

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Solution

The fourth proportional to 904,015.28, 1,355,978.97 and 335,507.12 is: 503,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,015.28 : 1,355,978.97 = 335,507.12 : x
  2. Step 2: Convert to fraction form
    904,015.28/1,355,978.97 = 335,507.12/x
  3. Step 3: Cross multiply
    904,015.28x = 1,355,978.97 × 335,507.12
  4. Step 4: Simplify right side
    904,015.28x = 454,940,592,225.37
  5. Step 5: Solve for x
    x = 454,940,592,225.37/904,015.28
  6. Step 6: Final answer
    x = 503,244.36

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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.