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Finding the Fourth Proportional to 608,912.90, 854,344.30 and 608,912.90

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Solution

The fourth proportional to 608,912.90, 854,344.30 and 608,912.90 is: 854,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,912.90 : 854,344.30 = 608,912.90 : x
  2. Step 2: Convert to fraction form
    608,912.90/854,344.30 = 608,912.90/x
  3. Step 3: Cross multiply
    608,912.90x = 854,344.30 × 608,912.90
  4. Step 4: Simplify right side
    608,912.90x = 520,221,265,311.47
  5. Step 5: Solve for x
    x = 520,221,265,311.47/608,912.90
  6. Step 6: Final answer
    x = 854,344.30

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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.