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Finding the Fourth Proportional to 403,167.40, 604,491.90 and 166,604.20

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Solution

The fourth proportional to 403,167.40, 604,491.90 and 166,604.20 is: 249,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,167.40 : 604,491.90 = 166,604.20 : x
  2. Step 2: Convert to fraction form
    403,167.40/604,491.90 = 166,604.20/x
  3. Step 3: Cross multiply
    403,167.40x = 604,491.90 × 166,604.20
  4. Step 4: Simplify right side
    403,167.40x = 100,710,889,405.98
  5. Step 5: Solve for x
    x = 100,710,889,405.98/403,167.40
  6. Step 6: Final answer
    x = 249,799.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.