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Finding the Fourth Proportional to 904,219.36, 1,356,516 and 297,053.68

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Solution

The fourth proportional to 904,219.36, 1,356,516 and 297,053.68 is: 445,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,219.36 : 1,356,516 = 297,053.68 : x
  2. Step 2: Convert to fraction form
    904,219.36/1,356,516 = 297,053.68/x
  3. Step 3: Cross multiply
    904,219.36x = 1,356,516 × 297,053.68
  4. Step 4: Simplify right side
    904,219.36x = 402,958,069,778.88
  5. Step 5: Solve for x
    x = 402,958,069,778.88/904,219.36
  6. Step 6: Final answer
    x = 445,641.94

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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.