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Finding the Fourth Proportional to 300,547.55, 414,755.74 and 164,589.96

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Solution

The fourth proportional to 300,547.55, 414,755.74 and 164,589.96 is: 227,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,547.55 : 414,755.74 = 164,589.96 : x
  2. Step 2: Convert to fraction form
    300,547.55/414,755.74 = 164,589.96/x
  3. Step 3: Cross multiply
    300,547.55x = 414,755.74 × 164,589.96
  4. Step 4: Simplify right side
    300,547.55x = 68,264,630,656.37
  5. Step 5: Solve for x
    x = 68,264,630,656.37/300,547.55
  6. Step 6: Final answer
    x = 227,134.21

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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.