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Finding the Fourth Proportional to 552,882, 763,212.51 and 371,698.97

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Solution

The fourth proportional to 552,882, 763,212.51 and 371,698.97 is: 513,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,882 : 763,212.51 = 371,698.97 : x
  2. Step 2: Convert to fraction form
    552,882/763,212.51 = 371,698.97/x
  3. Step 3: Cross multiply
    552,882x = 763,212.51 × 371,698.97
  4. Step 4: Simplify right side
    552,882x = 283,685,303,858.12
  5. Step 5: Solve for x
    x = 283,685,303,858.12/552,882
  6. Step 6: Final answer
    x = 513,102.80

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1.5x scale

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.