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Finding the Fourth Proportional to 574,593.62, 792,922.94 and 312,943.00

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Solution

The fourth proportional to 574,593.62, 792,922.94 and 312,943.00 is: 431,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,593.62 : 792,922.94 = 312,943.00 : x
  2. Step 2: Convert to fraction form
    574,593.62/792,922.94 = 312,943.00/x
  3. Step 3: Cross multiply
    574,593.62x = 792,922.94 × 312,943.00
  4. Step 4: Simplify right side
    574,593.62x = 248,139,678,865.45
  5. Step 5: Solve for x
    x = 248,139,678,865.45/574,593.62
  6. Step 6: Final answer
    x = 431,852.48

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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.