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Finding the Fourth Proportional to 466,943.60, 700,415.40 and 129,983.60

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Solution

The fourth proportional to 466,943.60, 700,415.40 and 129,983.60 is: 194,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,943.60 : 700,415.40 = 129,983.60 : x
  2. Step 2: Convert to fraction form
    466,943.60/700,415.40 = 129,983.60/x
  3. Step 3: Cross multiply
    466,943.60x = 700,415.40 × 129,983.60
  4. Step 4: Simplify right side
    466,943.60x = 91,042,515,187.44
  5. Step 5: Solve for x
    x = 91,042,515,187.44/466,943.60
  6. Step 6: Final answer
    x = 194,975.40

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Similar ratio
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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.