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Finding the Fourth Proportional to 423,322.89, 635,178.74 and 183,509.97

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Solution

The fourth proportional to 423,322.89, 635,178.74 and 183,509.97 is: 275,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,322.89 : 635,178.74 = 183,509.97 : x
  2. Step 2: Convert to fraction form
    423,322.89/635,178.74 = 183,509.97/x
  3. Step 3: Cross multiply
    423,322.89x = 635,178.74 × 183,509.97
  4. Step 4: Simplify right side
    423,322.89x = 116,561,630,604.49
  5. Step 5: Solve for x
    x = 116,561,630,604.49/423,322.89
  6. Step 6: Final answer
    x = 275,349.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.