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Finding the Fourth Proportional to 266,360, 367,576.80 and 153,180.32

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Solution

The fourth proportional to 266,360, 367,576.80 and 153,180.32 is: 211,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,360 : 367,576.80 = 153,180.32 : x
  2. Step 2: Convert to fraction form
    266,360/367,576.80 = 153,180.32/x
  3. Step 3: Cross multiply
    266,360x = 367,576.80 × 153,180.32
  4. Step 4: Simplify right side
    266,360x = 56,305,531,848.58
  5. Step 5: Solve for x
    x = 56,305,531,848.58/266,360
  6. Step 6: Final answer
    x = 211,388.84

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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.