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Finding the Fourth Proportional to 323,730.42, 446,780.62 and 187,805.94

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Solution

The fourth proportional to 323,730.42, 446,780.62 and 187,805.94 is: 259,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,730.42 : 446,780.62 = 187,805.94 : x
  2. Step 2: Convert to fraction form
    323,730.42/446,780.62 = 187,805.94/x
  3. Step 3: Cross multiply
    323,730.42x = 446,780.62 × 187,805.94
  4. Step 4: Simplify right side
    323,730.42x = 83,908,054,312.88
  5. Step 5: Solve for x
    x = 83,908,054,312.88/323,730.42
  6. Step 6: Final answer
    x = 259,191.13

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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.