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Finding the Fourth Proportional to 677,555.29, 935,019.93 and 371,625.45

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Solution

The fourth proportional to 677,555.29, 935,019.93 and 371,625.45 is: 512,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,555.29 : 935,019.93 = 371,625.45 : x
  2. Step 2: Convert to fraction form
    677,555.29/935,019.93 = 371,625.45/x
  3. Step 3: Cross multiply
    677,555.29x = 935,019.93 × 371,625.45
  4. Step 4: Simplify right side
    677,555.29x = 347,477,202,245.22
  5. Step 5: Solve for x
    x = 347,477,202,245.22/677,555.29
  6. Step 6: Final answer
    x = 512,839.63

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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.