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Finding the Fourth Proportional to 266,680.08, 368,018.64 and 151,955.46

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Solution

The fourth proportional to 266,680.08, 368,018.64 and 151,955.46 is: 209,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,680.08 : 368,018.64 = 151,955.46 : x
  2. Step 2: Convert to fraction form
    266,680.08/368,018.64 = 151,955.46/x
  3. Step 3: Cross multiply
    266,680.08x = 368,018.64 × 151,955.46
  4. Step 4: Simplify right side
    266,680.08x = 55,922,441,729.77
  5. Step 5: Solve for x
    x = 55,922,441,729.77/266,680.08
  6. Step 6: Final answer
    x = 209,698.61

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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.