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Finding the Fourth Proportional to 403,866.81, 605,798.60 and 151,166.25

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Solution

The fourth proportional to 403,866.81, 605,798.60 and 151,166.25 is: 226,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,866.81 : 605,798.60 = 151,166.25 : x
  2. Step 2: Convert to fraction form
    403,866.81/605,798.60 = 151,166.25/x
  3. Step 3: Cross multiply
    403,866.81x = 605,798.60 × 151,166.25
  4. Step 4: Simplify right side
    403,866.81x = 91,576,301,861.42
  5. Step 5: Solve for x
    x = 91,576,301,861.42/403,866.81
  6. Step 6: Final answer
    x = 226,748.77

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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.