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Finding the Fourth Proportional to 283,303.71, 424,856.54 and 83,571.09

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Solution

The fourth proportional to 283,303.71, 424,856.54 and 83,571.09 is: 125,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,303.71 : 424,856.54 = 83,571.09 : x
  2. Step 2: Convert to fraction form
    283,303.71/424,856.54 = 83,571.09/x
  3. Step 3: Cross multiply
    283,303.71x = 424,856.54 × 83,571.09
  4. Step 4: Simplify right side
    283,303.71x = 35,505,723,723.57
  5. Step 5: Solve for x
    x = 35,505,723,723.57/283,303.71
  6. Step 6: Final answer
    x = 125,327.42

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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.