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Finding the Fourth Proportional to 266,026.30, 366,989.46 and 180,015.46

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Solution

The fourth proportional to 266,026.30, 366,989.46 and 180,015.46 is: 248,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,026.30 : 366,989.46 = 180,015.46 : x
  2. Step 2: Convert to fraction form
    266,026.30/366,989.46 = 180,015.46/x
  3. Step 3: Cross multiply
    266,026.30x = 366,989.46 × 180,015.46
  4. Step 4: Simplify right side
    266,026.30x = 66,063,776,457.05
  5. Step 5: Solve for x
    x = 66,063,776,457.05/266,026.30
  6. Step 6: Final answer
    x = 248,335.51

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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.