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Finding the Fourth Proportional to 605,838.20, 908,757.30 and 605,838.20

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Solution

The fourth proportional to 605,838.20, 908,757.30 and 605,838.20 is: 908,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,838.20 : 908,757.30 = 605,838.20 : x
  2. Step 2: Convert to fraction form
    605,838.20/908,757.30 = 605,838.20/x
  3. Step 3: Cross multiply
    605,838.20x = 908,757.30 × 605,838.20
  4. Step 4: Simplify right side
    605,838.20x = 550,559,886,868.86
  5. Step 5: Solve for x
    x = 550,559,886,868.86/605,838.20
  6. Step 6: Final answer
    x = 908,757.30

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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.