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Finding the Fourth Proportional to 605,738.10, 908,607.15 and 605,738.10

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Solution

The fourth proportional to 605,738.10, 908,607.15 and 605,738.10 is: 908,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,738.10 : 908,607.15 = 605,738.10 : x
  2. Step 2: Convert to fraction form
    605,738.10/908,607.15 = 605,738.10/x
  3. Step 3: Cross multiply
    605,738.10x = 908,607.15 × 605,738.10
  4. Step 4: Simplify right side
    605,738.10x = 550,377,968,687.42
  5. Step 5: Solve for x
    x = 550,377,968,687.42/605,738.10
  6. Step 6: Final answer
    x = 908,607.15

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Double scale
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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.