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Finding the Fourth Proportional to 266,509.12, 367,157.12 and 185,789.76

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Solution

The fourth proportional to 266,509.12, 367,157.12 and 185,789.76 is: 255,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,509.12 : 367,157.12 = 185,789.76 : x
  2. Step 2: Convert to fraction form
    266,509.12/367,157.12 = 185,789.76/x
  3. Step 3: Cross multiply
    266,509.12x = 367,157.12 × 185,789.76
  4. Step 4: Simplify right side
    266,509.12x = 68,214,033,207.09
  5. Step 5: Solve for x
    x = 68,214,033,207.09/266,509.12
  6. Step 6: Final answer
    x = 255,953.84

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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.