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Finding the Fourth Proportional to 382,647.40, 574,230.30 and 249,202.60

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Solution

The fourth proportional to 382,647.40, 574,230.30 and 249,202.60 is: 373,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,647.40 : 574,230.30 = 249,202.60 : x
  2. Step 2: Convert to fraction form
    382,647.40/574,230.30 = 249,202.60/x
  3. Step 3: Cross multiply
    382,647.40x = 574,230.30 × 249,202.60
  4. Step 4: Simplify right side
    382,647.40x = 143,099,683,758.78
  5. Step 5: Solve for x
    x = 143,099,683,758.78/382,647.40
  6. Step 6: Final answer
    x = 373,972.71

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1.5x scale

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.