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Finding the Fourth Proportional to 349,299, 482,032.62 and 190,323

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Solution

The fourth proportional to 349,299, 482,032.62 and 190,323 is: 262,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,299 : 482,032.62 = 190,323 : x
  2. Step 2: Convert to fraction form
    349,299/482,032.62 = 190,323/x
  3. Step 3: Cross multiply
    349,299x = 482,032.62 × 190,323
  4. Step 4: Simplify right side
    349,299x = 91,741,894,336.26
  5. Step 5: Solve for x
    x = 91,741,894,336.26/349,299
  6. Step 6: Final answer
    x = 262,645.74

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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.