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Finding the Fourth Proportional to 270,427.44, 405,020.06 and 135,076.06

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Solution

The fourth proportional to 270,427.44, 405,020.06 and 135,076.06 is: 202,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,427.44 : 405,020.06 = 135,076.06 : x
  2. Step 2: Convert to fraction form
    270,427.44/405,020.06 = 135,076.06/x
  3. Step 3: Cross multiply
    270,427.44x = 405,020.06 × 135,076.06
  4. Step 4: Simplify right side
    270,427.44x = 54,708,513,925.76
  5. Step 5: Solve for x
    x = 54,708,513,925.76/270,427.44
  6. Step 6: Final answer
    x = 202,303.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.