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Finding the Fourth Proportional to 613,357.79, 846,404.44 and 371,625.03

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Solution

The fourth proportional to 613,357.79, 846,404.44 and 371,625.03 is: 512,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,357.79 : 846,404.44 = 371,625.03 : x
  2. Step 2: Convert to fraction form
    613,357.79/846,404.44 = 371,625.03/x
  3. Step 3: Cross multiply
    613,357.79x = 846,404.44 × 371,625.03
  4. Step 4: Simplify right side
    613,357.79x = 314,545,074,478.07
  5. Step 5: Solve for x
    x = 314,545,074,478.07/613,357.79
  6. Step 6: Final answer
    x = 512,824.79

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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.