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Finding the Fourth Proportional to 418,687.88, 577,771.67 and 237,412.01

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Solution

The fourth proportional to 418,687.88, 577,771.67 and 237,412.01 is: 327,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,687.88 : 577,771.67 = 237,412.01 : x
  2. Step 2: Convert to fraction form
    418,687.88/577,771.67 = 237,412.01/x
  3. Step 3: Cross multiply
    418,687.88x = 577,771.67 × 237,412.01
  4. Step 4: Simplify right side
    418,687.88x = 137,169,935,533.72
  5. Step 5: Solve for x
    x = 137,169,935,533.72/418,687.88
  6. Step 6: Final answer
    x = 327,618.60

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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.