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Finding the Fourth Proportional to 632,495.70, 948,905.55 and 365,778.90

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Solution

The fourth proportional to 632,495.70, 948,905.55 and 365,778.90 is: 548,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,495.70 : 948,905.55 = 365,778.90 : x
  2. Step 2: Convert to fraction form
    632,495.70/948,905.55 = 365,778.90/x
  3. Step 3: Cross multiply
    632,495.70x = 948,905.55 × 365,778.90
  4. Step 4: Simplify right side
    632,495.70x = 347,089,628,282.90
  5. Step 5: Solve for x
    x = 347,089,628,282.90/632,495.70
  6. Step 6: Final answer
    x = 548,762.04

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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.