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Finding the Fourth Proportional to 670,788.54, 925,603.94 and 453,469.94

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Solution

The fourth proportional to 670,788.54, 925,603.94 and 453,469.94 is: 625,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,788.54 : 925,603.94 = 453,469.94 : x
  2. Step 2: Convert to fraction form
    670,788.54/925,603.94 = 453,469.94/x
  3. Step 3: Cross multiply
    670,788.54x = 925,603.94 × 453,469.94
  4. Step 4: Simplify right side
    670,788.54x = 419,733,563,135.56
  5. Step 5: Solve for x
    x = 419,733,563,135.56/670,788.54
  6. Step 6: Final answer
    x = 625,731.57

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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.