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Finding the Fourth Proportional to 441,987.60, 662,981.40 and 109,563.60

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Solution

The fourth proportional to 441,987.60, 662,981.40 and 109,563.60 is: 164,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,987.60 : 662,981.40 = 109,563.60 : x
  2. Step 2: Convert to fraction form
    441,987.60/662,981.40 = 109,563.60/x
  3. Step 3: Cross multiply
    441,987.60x = 662,981.40 × 109,563.60
  4. Step 4: Simplify right side
    441,987.60x = 72,638,628,917.04
  5. Step 5: Solve for x
    x = 72,638,628,917.04/441,987.60
  6. Step 6: Final answer
    x = 164,345.40

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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.