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Finding the Fourth Proportional to 670,790.03, 925,606.01 and 453,471.44

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Solution

The fourth proportional to 670,790.03, 925,606.01 and 453,471.44 is: 625,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,790.03 : 925,606.01 = 453,471.44 : x
  2. Step 2: Convert to fraction form
    670,790.03/925,606.01 = 453,471.44/x
  3. Step 3: Cross multiply
    670,790.03x = 925,606.01 × 453,471.44
  4. Step 4: Simplify right side
    670,790.03x = 419,735,890,227.35
  5. Step 5: Solve for x
    x = 419,735,890,227.35/670,790.03
  6. Step 6: Final answer
    x = 625,733.64

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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.