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Finding the Fourth Proportional to 363,795.51, 502,053.33 and 202,650.67

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Solution

The fourth proportional to 363,795.51, 502,053.33 and 202,650.67 is: 279,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,795.51 : 502,053.33 = 202,650.67 : x
  2. Step 2: Convert to fraction form
    363,795.51/502,053.33 = 202,650.67/x
  3. Step 3: Cross multiply
    363,795.51x = 502,053.33 × 202,650.67
  4. Step 4: Simplify right side
    363,795.51x = 101,741,443,700.23
  5. Step 5: Solve for x
    x = 101,741,443,700.23/363,795.51
  6. Step 6: Final answer
    x = 279,666.57

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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.