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Finding the Fourth Proportional to 334,523.80, 501,785.70 and 109,918.90

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Solution

The fourth proportional to 334,523.80, 501,785.70 and 109,918.90 is: 164,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,523.80 : 501,785.70 = 109,918.90 : x
  2. Step 2: Convert to fraction form
    334,523.80/501,785.70 = 109,918.90/x
  3. Step 3: Cross multiply
    334,523.80x = 501,785.70 × 109,918.90
  4. Step 4: Simplify right side
    334,523.80x = 55,155,732,179.73
  5. Step 5: Solve for x
    x = 55,155,732,179.73/334,523.80
  6. Step 6: Final answer
    x = 164,878.35

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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.