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Finding the Fourth Proportional to 284,372.52, 426,638.50 and 124,462.39

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Solution

The fourth proportional to 284,372.52, 426,638.50 and 124,462.39 is: 186,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,372.52 : 426,638.50 = 124,462.39 : x
  2. Step 2: Convert to fraction form
    284,372.52/426,638.50 = 124,462.39/x
  3. Step 3: Cross multiply
    284,372.52x = 426,638.50 × 124,462.39
  4. Step 4: Simplify right side
    284,372.52x = 53,100,445,998.26
  5. Step 5: Solve for x
    x = 53,100,445,998.26/284,372.52
  6. Step 6: Final answer
    x = 186,728.47

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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.