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Finding the Fourth Proportional to 284,652.53, 392,806.37 and 157,324.85

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Solution

The fourth proportional to 284,652.53, 392,806.37 and 157,324.85 is: 217,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,652.53 : 392,806.37 = 157,324.85 : x
  2. Step 2: Convert to fraction form
    284,652.53/392,806.37 = 157,324.85/x
  3. Step 3: Cross multiply
    284,652.53x = 392,806.37 × 157,324.85
  4. Step 4: Simplify right side
    284,652.53x = 61,798,202,452.67
  5. Step 5: Solve for x
    x = 61,798,202,452.67/284,652.53
  6. Step 6: Final answer
    x = 217,100.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.