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Finding the Fourth Proportional to 418,661.00, 577,738.66 and 237,389.07

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Solution

The fourth proportional to 418,661.00, 577,738.66 and 237,389.07 is: 327,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,661.00 : 577,738.66 = 237,389.07 : x
  2. Step 2: Convert to fraction form
    418,661.00/577,738.66 = 237,389.07/x
  3. Step 3: Cross multiply
    418,661.00x = 577,738.66 × 237,389.07
  4. Step 4: Simplify right side
    418,661.00x = 137,148,845,218.60
  5. Step 5: Solve for x
    x = 137,148,845,218.60/418,661.00
  6. Step 6: Final answer
    x = 327,589.26

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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.