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Finding the Fourth Proportional to 356,370.34, 491,803.31 and 195,225.34

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Solution

The fourth proportional to 356,370.34, 491,803.31 and 195,225.34 is: 269,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,370.34 : 491,803.31 = 195,225.34 : x
  2. Step 2: Convert to fraction form
    356,370.34/491,803.31 = 195,225.34/x
  3. Step 3: Cross multiply
    356,370.34x = 491,803.31 × 195,225.34
  4. Step 4: Simplify right side
    356,370.34x = 96,012,468,407.88
  5. Step 5: Solve for x
    x = 96,012,468,407.88/356,370.34
  6. Step 6: Final answer
    x = 269,417.67

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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.