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Finding the Fourth Proportional to 262,649.32, 362,457.52 and 149,472.07

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Solution

The fourth proportional to 262,649.32, 362,457.52 and 149,472.07 is: 206,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,649.32 : 362,457.52 = 149,472.07 : x
  2. Step 2: Convert to fraction form
    262,649.32/362,457.52 = 149,472.07/x
  3. Step 3: Cross multiply
    262,649.32x = 362,457.52 × 149,472.07
  4. Step 4: Simplify right side
    262,649.32x = 54,177,274,521.64
  5. Step 5: Solve for x
    x = 54,177,274,521.64/262,649.32
  6. Step 6: Final answer
    x = 206,272.28

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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.