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Finding the Fourth Proportional to 608,999.90, 854,466.10 and 608,999.90

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Solution

The fourth proportional to 608,999.90, 854,466.10 and 608,999.90 is: 854,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999.90 : 854,466.10 = 608,999.90 : x
  2. Step 2: Convert to fraction form
    608,999.90/854,466.10 = 608,999.90/x
  3. Step 3: Cross multiply
    608,999.90x = 854,466.10 × 608,999.90
  4. Step 4: Simplify right side
    608,999.90x = 520,369,769,453.39
  5. Step 5: Solve for x
    x = 520,369,769,453.39/608,999.90
  6. Step 6: Final answer
    x = 854,466.10

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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.