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Finding the Fourth Proportional to 283,743.70, 425,615.55 and 233,005.30

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Solution

The fourth proportional to 283,743.70, 425,615.55 and 233,005.30 is: 349,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,743.70 : 425,615.55 = 233,005.30 : x
  2. Step 2: Convert to fraction form
    283,743.70/425,615.55 = 233,005.30/x
  3. Step 3: Cross multiply
    283,743.70x = 425,615.55 × 233,005.30
  4. Step 4: Simplify right side
    283,743.70x = 99,170,678,912.42
  5. Step 5: Solve for x
    x = 99,170,678,912.42/283,743.70
  6. Step 6: Final answer
    x = 349,507.95

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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.