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Finding the Fourth Proportional to 382,953.62, 572,830.44 and 269,093.45

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Solution

The fourth proportional to 382,953.62, 572,830.44 and 269,093.45 is: 402,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,953.62 : 572,830.44 = 269,093.45 : x
  2. Step 2: Convert to fraction form
    382,953.62/572,830.44 = 269,093.45/x
  3. Step 3: Cross multiply
    382,953.62x = 572,830.44 × 269,093.45
  4. Step 4: Simplify right side
    382,953.62x = 154,144,919,364.62
  5. Step 5: Solve for x
    x = 154,144,919,364.62/382,953.62
  6. Step 6: Final answer
    x = 402,515.90

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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.