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Finding the Fourth Proportional to 283,339.44, 425,271.36 and 143,196.48

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Solution

The fourth proportional to 283,339.44, 425,271.36 and 143,196.48 is: 214,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,339.44 : 425,271.36 = 143,196.48 : x
  2. Step 2: Convert to fraction form
    283,339.44/425,271.36 = 143,196.48/x
  3. Step 3: Cross multiply
    283,339.44x = 425,271.36 × 143,196.48
  4. Step 4: Simplify right side
    283,339.44x = 60,897,361,796.81
  5. Step 5: Solve for x
    x = 60,897,361,796.81/283,339.44
  6. Step 6: Final answer
    x = 214,927.23

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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.