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Finding the Fourth Proportional to 569,857.36, 854,762.28 and 149,123.92

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Solution

The fourth proportional to 569,857.36, 854,762.28 and 149,123.92 is: 223,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,857.36 : 854,762.28 = 149,123.92 : x
  2. Step 2: Convert to fraction form
    569,857.36/854,762.28 = 149,123.92/x
  3. Step 3: Cross multiply
    569,857.36x = 854,762.28 × 149,123.92
  4. Step 4: Simplify right side
    569,857.36x = 127,465,501,861.74
  5. Step 5: Solve for x
    x = 127,465,501,861.74/569,857.36
  6. Step 6: Final answer
    x = 223,679.66

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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.