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Finding the Fourth Proportional to 646,911.54, 970,554.69 and 267,762.27

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Solution

The fourth proportional to 646,911.54, 970,554.69 and 267,762.27 is: 401,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,911.54 : 970,554.69 = 267,762.27 : x
  2. Step 2: Convert to fraction form
    646,911.54/970,554.69 = 267,762.27/x
  3. Step 3: Cross multiply
    646,911.54x = 970,554.69 × 267,762.27
  4. Step 4: Simplify right side
    646,911.54x = 259,877,926,953.55
  5. Step 5: Solve for x
    x = 259,877,926,953.55/646,911.54
  6. Step 6: Final answer
    x = 401,720.96

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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.