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Finding the Fourth Proportional to 266,036.88, 366,624.36 and 190,454.16

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Solution

The fourth proportional to 266,036.88, 366,624.36 and 190,454.16 is: 262,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,036.88 : 366,624.36 = 190,454.16 : x
  2. Step 2: Convert to fraction form
    266,036.88/366,624.36 = 190,454.16/x
  3. Step 3: Cross multiply
    266,036.88x = 366,624.36 × 190,454.16
  4. Step 4: Simplify right side
    266,036.88x = 69,825,134,519.34
  5. Step 5: Solve for x
    x = 69,825,134,519.34/266,036.88
  6. Step 6: Final answer
    x = 262,464.12

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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.