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Finding the Fourth Proportional to 369,641.22, 510,093.44 and 208,493.94

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Solution

The fourth proportional to 369,641.22, 510,093.44 and 208,493.94 is: 287,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,641.22 : 510,093.44 = 208,493.94 : x
  2. Step 2: Convert to fraction form
    369,641.22/510,093.44 = 208,493.94/x
  3. Step 3: Cross multiply
    369,641.22x = 510,093.44 × 208,493.94
  4. Step 4: Simplify right side
    369,641.22x = 106,351,390,031.28
  5. Step 5: Solve for x
    x = 106,351,390,031.28/369,641.22
  6. Step 6: Final answer
    x = 287,715.18

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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.