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Finding the Fourth Proportional to 367,775.01, 506,356.25 and 313,843.59

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Solution

The fourth proportional to 367,775.01, 506,356.25 and 313,843.59 is: 432,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,775.01 : 506,356.25 = 313,843.59 : x
  2. Step 2: Convert to fraction form
    367,775.01/506,356.25 = 313,843.59/x
  3. Step 3: Cross multiply
    367,775.01x = 506,356.25 × 313,843.59
  4. Step 4: Simplify right side
    367,775.01x = 158,916,661,749.72
  5. Step 5: Solve for x
    x = 158,916,661,749.72/367,775.01
  6. Step 6: Final answer
    x = 432,102.94

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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.