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Finding the Fourth Proportional to 608,859.90, 854,270.10 and 608,859.90

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Solution

The fourth proportional to 608,859.90, 854,270.10 and 608,859.90 is: 854,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,859.90 : 854,270.10 = 608,859.90 : x
  2. Step 2: Convert to fraction form
    608,859.90/854,270.10 = 608,859.90/x
  3. Step 3: Cross multiply
    608,859.90x = 854,270.10 × 608,859.90
  4. Step 4: Simplify right side
    608,859.90x = 520,130,807,658.99
  5. Step 5: Solve for x
    x = 520,130,807,658.99/608,859.90
  6. Step 6: Final answer
    x = 854,270.10

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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.