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Finding the Fourth Proportional to 350,304, 483,421.44 and 191,328

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Solution

The fourth proportional to 350,304, 483,421.44 and 191,328 is: 264,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,304 : 483,421.44 = 191,328 : x
  2. Step 2: Convert to fraction form
    350,304/483,421.44 = 191,328/x
  3. Step 3: Cross multiply
    350,304x = 483,421.44 × 191,328
  4. Step 4: Simplify right side
    350,304x = 92,492,057,272.32
  5. Step 5: Solve for x
    x = 92,492,057,272.32/350,304
  6. Step 6: Final answer
    x = 264,033.69

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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.