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Finding the Fourth Proportional to 605,057.70, 907,586.55 and 605,057.70

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Solution

The fourth proportional to 605,057.70, 907,586.55 and 605,057.70 is: 907,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,057.70 : 907,586.55 = 605,057.70 : x
  2. Step 2: Convert to fraction form
    605,057.70/907,586.55 = 605,057.70/x
  3. Step 3: Cross multiply
    605,057.70x = 907,586.55 × 605,057.70
  4. Step 4: Simplify right side
    605,057.70x = 549,142,230,493.94
  5. Step 5: Solve for x
    x = 549,142,230,493.94/605,057.70
  6. Step 6: Final answer
    x = 907,586.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.