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Finding the Fourth Proportional to 494,543.67, 741,807.40 and 157,579.76

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Solution

The fourth proportional to 494,543.67, 741,807.40 and 157,579.76 is: 236,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,543.67 : 741,807.40 = 157,579.76 : x
  2. Step 2: Convert to fraction form
    494,543.67/741,807.40 = 157,579.76/x
  3. Step 3: Cross multiply
    494,543.67x = 741,807.40 × 157,579.76
  4. Step 4: Simplify right side
    494,543.67x = 116,893,827,561.29
  5. Step 5: Solve for x
    x = 116,893,827,561.29/494,543.67
  6. Step 6: Final answer
    x = 236,367.05

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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.