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Finding the Fourth Proportional to 365,558.60, 548,337.90 and 259,270.40

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Solution

The fourth proportional to 365,558.60, 548,337.90 and 259,270.40 is: 388,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,558.60 : 548,337.90 = 259,270.40 : x
  2. Step 2: Convert to fraction form
    365,558.60/548,337.90 = 259,270.40/x
  3. Step 3: Cross multiply
    365,558.60x = 548,337.90 × 259,270.40
  4. Step 4: Simplify right side
    365,558.60x = 142,167,786,668.16
  5. Step 5: Solve for x
    x = 142,167,786,668.16/365,558.60
  6. Step 6: Final answer
    x = 388,905.60

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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.