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Finding the Fourth Proportional to 300,602.12, 414,837.18 and 164,641.79

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Solution

The fourth proportional to 300,602.12, 414,837.18 and 164,641.79 is: 227,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,602.12 : 414,837.18 = 164,641.79 : x
  2. Step 2: Convert to fraction form
    300,602.12/414,837.18 = 164,641.79/x
  3. Step 3: Cross multiply
    300,602.12x = 414,837.18 × 164,641.79
  4. Step 4: Simplify right side
    300,602.12x = 68,299,535,873.75
  5. Step 5: Solve for x
    x = 68,299,535,873.75/300,602.12
  6. Step 6: Final answer
    x = 227,209.10

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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.