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Finding the Fourth Proportional to 450,855.99, 676,329.14 and 166,621.25

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Solution

The fourth proportional to 450,855.99, 676,329.14 and 166,621.25 is: 249,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,855.99 : 676,329.14 = 166,621.25 : x
  2. Step 2: Convert to fraction form
    450,855.99/676,329.14 = 166,621.25/x
  3. Step 3: Cross multiply
    450,855.99x = 676,329.14 × 166,621.25
  4. Step 4: Simplify right side
    450,855.99x = 112,690,808,825.60
  5. Step 5: Solve for x
    x = 112,690,808,825.60/450,855.99
  6. Step 6: Final answer
    x = 249,948.57

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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.