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Finding the Fourth Proportional to 365,823.60, 548,735.40 and 208,359.60

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Solution

The fourth proportional to 365,823.60, 548,735.40 and 208,359.60 is: 312,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,823.60 : 548,735.40 = 208,359.60 : x
  2. Step 2: Convert to fraction form
    365,823.60/548,735.40 = 208,359.60/x
  3. Step 3: Cross multiply
    365,823.60x = 548,735.40 × 208,359.60
  4. Step 4: Simplify right side
    365,823.60x = 114,334,288,449.84
  5. Step 5: Solve for x
    x = 114,334,288,449.84/365,823.60
  6. Step 6: Final answer
    x = 312,539.40

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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.