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Finding the Fourth Proportional to 683,726.22, 943,522.32 and 377,797.74

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Solution

The fourth proportional to 683,726.22, 943,522.32 and 377,797.74 is: 521,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,726.22 : 943,522.32 = 377,797.74 : x
  2. Step 2: Convert to fraction form
    683,726.22/943,522.32 = 377,797.74/x
  3. Step 3: Cross multiply
    683,726.22x = 943,522.32 × 377,797.74
  4. Step 4: Simplify right side
    683,726.22x = 356,460,600,135.56
  5. Step 5: Solve for x
    x = 356,460,600,135.56/683,726.22
  6. Step 6: Final answer
    x = 521,349.91

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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.