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Finding the Fourth Proportional to 265,232.06, 397,840.80 and 115,472.07

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Solution

The fourth proportional to 265,232.06, 397,840.80 and 115,472.07 is: 173,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,232.06 : 397,840.80 = 115,472.07 : x
  2. Step 2: Convert to fraction form
    265,232.06/397,840.80 = 115,472.07/x
  3. Step 3: Cross multiply
    265,232.06x = 397,840.80 × 115,472.07
  4. Step 4: Simplify right side
    265,232.06x = 45,939,500,706.46
  5. Step 5: Solve for x
    x = 45,939,500,706.46/265,232.06
  6. Step 6: Final answer
    x = 173,204.93

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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.