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Finding the Fourth Proportional to 255,506.17, 352,520.46 and 148,055.44

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Solution

The fourth proportional to 255,506.17, 352,520.46 and 148,055.44 is: 204,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,506.17 : 352,520.46 = 148,055.44 : x
  2. Step 2: Convert to fraction form
    255,506.17/352,520.46 = 148,055.44/x
  3. Step 3: Cross multiply
    255,506.17x = 352,520.46 × 148,055.44
  4. Step 4: Simplify right side
    255,506.17x = 52,192,571,814.30
  5. Step 5: Solve for x
    x = 52,192,571,814.30/255,506.17
  6. Step 6: Final answer
    x = 204,271.28

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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.