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Finding the Fourth Proportional to 350,307, 483,435.18 and 191,331

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Solution

The fourth proportional to 350,307, 483,435.18 and 191,331 is: 264,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,307 : 483,435.18 = 191,331 : x
  2. Step 2: Convert to fraction form
    350,307/483,435.18 = 191,331/x
  3. Step 3: Cross multiply
    350,307x = 483,435.18 × 191,331
  4. Step 4: Simplify right side
    350,307x = 92,496,136,424.58
  5. Step 5: Solve for x
    x = 92,496,136,424.58/350,307
  6. Step 6: Final answer
    x = 264,043.07

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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.