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Finding the Fourth Proportional to 535,467.30, 738,950.52 and 293,750.34

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Solution

The fourth proportional to 535,467.30, 738,950.52 and 293,750.34 is: 405,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,467.30 : 738,950.52 = 293,750.34 : x
  2. Step 2: Convert to fraction form
    535,467.30/738,950.52 = 293,750.34/x
  3. Step 3: Cross multiply
    535,467.30x = 738,950.52 × 293,750.34
  4. Step 4: Simplify right side
    535,467.30x = 217,066,966,493.18
  5. Step 5: Solve for x
    x = 217,066,966,493.18/535,467.30
  6. Step 6: Final answer
    x = 405,378.57

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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.