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Finding the Fourth Proportional to 308,641.19, 463,017.06 and 109,077.44

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Solution

The fourth proportional to 308,641.19, 463,017.06 and 109,077.44 is: 163,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,641.19 : 463,017.06 = 109,077.44 : x
  2. Step 2: Convert to fraction form
    308,641.19/463,017.06 = 109,077.44/x
  3. Step 3: Cross multiply
    308,641.19x = 463,017.06 × 109,077.44
  4. Step 4: Simplify right side
    308,641.19x = 50,504,713,266.04
  5. Step 5: Solve for x
    x = 50,504,713,266.04/308,641.19
  6. Step 6: Final answer
    x = 163,635.69

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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.