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Finding the Fourth Proportional to 792,352.60, 1,188,528.90 and 365,887.60

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Solution

The fourth proportional to 792,352.60, 1,188,528.90 and 365,887.60 is: 548,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,352.60 : 1,188,528.90 = 365,887.60 : x
  2. Step 2: Convert to fraction form
    792,352.60/1,188,528.90 = 365,887.60/x
  3. Step 3: Cross multiply
    792,352.60x = 1,188,528.90 × 365,887.60
  4. Step 4: Simplify right side
    792,352.60x = 434,867,986,751.64
  5. Step 5: Solve for x
    x = 434,867,986,751.64/792,352.60
  6. Step 6: Final answer
    x = 548,831.40

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Double scale
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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.