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Finding the Fourth Proportional to 283,628.79, 425,322.90 and 106,011.59

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Solution

The fourth proportional to 283,628.79, 425,322.90 and 106,011.59 is: 158,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,628.79 : 425,322.90 = 106,011.59 : x
  2. Step 2: Convert to fraction form
    283,628.79/425,322.90 = 106,011.59/x
  3. Step 3: Cross multiply
    283,628.79x = 425,322.90 × 106,011.59
  4. Step 4: Simplify right side
    283,628.79x = 45,089,154,765.80
  5. Step 5: Solve for x
    x = 45,089,154,765.80/283,628.79
  6. Step 6: Final answer
    x = 158,972.42

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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.