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Finding the Fourth Proportional to 554,379.02, 831,561.24 and 133,651.52

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Solution

The fourth proportional to 554,379.02, 831,561.24 and 133,651.52 is: 200,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,379.02 : 831,561.24 = 133,651.52 : x
  2. Step 2: Convert to fraction form
    554,379.02/831,561.24 = 133,651.52/x
  3. Step 3: Cross multiply
    554,379.02x = 831,561.24 × 133,651.52
  4. Step 4: Simplify right side
    554,379.02x = 111,139,423,699.09
  5. Step 5: Solve for x
    x = 111,139,423,699.09/554,379.02
  6. Step 6: Final answer
    x = 200,475.52

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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.