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Finding the Fourth Proportional to 595,253.78, 821,218.70 and 337,071.45

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Solution

The fourth proportional to 595,253.78, 821,218.70 and 337,071.45 is: 465,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,253.78 : 821,218.70 = 337,071.45 : x
  2. Step 2: Convert to fraction form
    595,253.78/821,218.70 = 337,071.45/x
  3. Step 3: Cross multiply
    595,253.78x = 821,218.70 × 337,071.45
  4. Step 4: Simplify right side
    595,253.78x = 276,809,377,976.12
  5. Step 5: Solve for x
    x = 276,809,377,976.12/595,253.78
  6. Step 6: Final answer
    x = 465,027.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.