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Finding the Fourth Proportional to 250,955.56, 346,295.64 and 148,963.60

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Solution

The fourth proportional to 250,955.56, 346,295.64 and 148,963.60 is: 205,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,955.56 : 346,295.64 = 148,963.60 : x
  2. Step 2: Convert to fraction form
    250,955.56/346,295.64 = 148,963.60/x
  3. Step 3: Cross multiply
    250,955.56x = 346,295.64 × 148,963.60
  4. Step 4: Simplify right side
    250,955.56x = 51,585,445,198.70
  5. Step 5: Solve for x
    x = 51,585,445,198.70/250,955.56
  6. Step 6: Final answer
    x = 205,556.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.