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Finding the Fourth Proportional to 508,579.60, 701,872.68 and 293,728.72

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Solution

The fourth proportional to 508,579.60, 701,872.68 and 293,728.72 is: 405,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,579.60 : 701,872.68 = 293,728.72 : x
  2. Step 2: Convert to fraction form
    508,579.60/701,872.68 = 293,728.72/x
  3. Step 3: Cross multiply
    508,579.60x = 701,872.68 × 293,728.72
  4. Step 4: Simplify right side
    508,579.60x = 206,160,163,899.37
  5. Step 5: Solve for x
    x = 206,160,163,899.37/508,579.60
  6. Step 6: Final answer
    x = 405,364.60

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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.