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Finding the Fourth Proportional to 284,415.82, 392,496.23 and 157,093.54

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Solution

The fourth proportional to 284,415.82, 392,496.23 and 157,093.54 is: 216,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,415.82 : 392,496.23 = 157,093.54 : x
  2. Step 2: Convert to fraction form
    284,415.82/392,496.23 = 157,093.54/x
  3. Step 3: Cross multiply
    284,415.82x = 392,496.23 × 157,093.54
  4. Step 4: Simplify right side
    284,415.82x = 61,658,622,207.35
  5. Step 5: Solve for x
    x = 61,658,622,207.35/284,415.82
  6. Step 6: Final answer
    x = 216,790.41

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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.