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Finding the Fourth Proportional to 605,840.70, 846,518.10 and 605,840.70

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Solution

The fourth proportional to 605,840.70, 846,518.10 and 605,840.70 is: 846,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,840.70 : 846,518.10 = 605,840.70 : x
  2. Step 2: Convert to fraction form
    605,840.70/846,518.10 = 605,840.70/x
  3. Step 3: Cross multiply
    605,840.70x = 846,518.10 × 605,840.70
  4. Step 4: Simplify right side
    605,840.70x = 512,855,118,266.67
  5. Step 5: Solve for x
    x = 512,855,118,266.67/605,840.70
  6. Step 6: Final answer
    x = 846,518.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.