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Finding the Fourth Proportional to 266,460.12, 367,714.86 and 147,228.12

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Solution

The fourth proportional to 266,460.12, 367,714.86 and 147,228.12 is: 203,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,460.12 : 367,714.86 = 147,228.12 : x
  2. Step 2: Convert to fraction form
    266,460.12/367,714.86 = 147,228.12/x
  3. Step 3: Cross multiply
    266,460.12x = 367,714.86 × 147,228.12
  4. Step 4: Simplify right side
    266,460.12x = 54,137,967,533.86
  5. Step 5: Solve for x
    x = 54,137,967,533.86/266,460.12
  6. Step 6: Final answer
    x = 203,174.75

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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.