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Finding the Fourth Proportional to 294,130.80, 440,159.40 and 269,247.60

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Solution

The fourth proportional to 294,130.80, 440,159.40 and 269,247.60 is: 402,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,130.80 : 440,159.40 = 269,247.60 : x
  2. Step 2: Convert to fraction form
    294,130.80/440,159.40 = 269,247.60/x
  3. Step 3: Cross multiply
    294,130.80x = 440,159.40 × 269,247.60
  4. Step 4: Simplify right side
    294,130.80x = 118,511,862,067.44
  5. Step 5: Solve for x
    x = 118,511,862,067.44/294,130.80
  6. Step 6: Final answer
    x = 402,922.31

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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.