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Finding the Fourth Proportional to 450,478.53, 675,777.26 and 166,368.78

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Solution

The fourth proportional to 450,478.53, 675,777.26 and 166,368.78 is: 249,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,478.53 : 675,777.26 = 166,368.78 : x
  2. Step 2: Convert to fraction form
    450,478.53/675,777.26 = 166,368.78/x
  3. Step 3: Cross multiply
    450,478.53x = 675,777.26 × 166,368.78
  4. Step 4: Simplify right side
    450,478.53x = 112,428,238,297.94
  5. Step 5: Solve for x
    x = 112,428,238,297.94/450,478.53
  6. Step 6: Final answer
    x = 249,575.13

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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.