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Finding the Fourth Proportional to 347,000.60, 486,194.50 and 347,000.60

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Solution

The fourth proportional to 347,000.60, 486,194.50 and 347,000.60 is: 486,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,000.60 : 486,194.50 = 347,000.60 : x
  2. Step 2: Convert to fraction form
    347,000.60/486,194.50 = 347,000.60/x
  3. Step 3: Cross multiply
    347,000.60x = 486,194.50 × 347,000.60
  4. Step 4: Simplify right side
    347,000.60x = 168,709,783,216.70
  5. Step 5: Solve for x
    x = 168,709,783,216.70/347,000.60
  6. Step 6: Final answer
    x = 486,194.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.