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Finding the Fourth Proportional to 283,385.71, 425,004.75 and 133,586.23

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Solution

The fourth proportional to 283,385.71, 425,004.75 and 133,586.23 is: 200,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,385.71 : 425,004.75 = 133,586.23 : x
  2. Step 2: Convert to fraction form
    283,385.71/425,004.75 = 133,586.23/x
  3. Step 3: Cross multiply
    283,385.71x = 425,004.75 × 133,586.23
  4. Step 4: Simplify right side
    283,385.71x = 56,774,782,284.59
  5. Step 5: Solve for x
    x = 56,774,782,284.59/283,385.71
  6. Step 6: Final answer
    x = 200,344.55

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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.