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Finding the Fourth Proportional to 283,347.26, 424,920.85 and 83,614.22

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Solution

The fourth proportional to 283,347.26, 424,920.85 and 83,614.22 is: 125,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,347.26 : 424,920.85 = 83,614.22 : x
  2. Step 2: Convert to fraction form
    283,347.26/424,920.85 = 83,614.22/x
  3. Step 3: Cross multiply
    283,347.26x = 424,920.85 × 83,614.22
  4. Step 4: Simplify right side
    283,347.26x = 35,529,423,100.85
  5. Step 5: Solve for x
    x = 35,529,423,100.85/283,347.26
  6. Step 6: Final answer
    x = 125,391.80

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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.