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Finding the Fourth Proportional to 307,551.60, 461,327.40 and 303,404.40

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Solution

The fourth proportional to 307,551.60, 461,327.40 and 303,404.40 is: 455,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,551.60 : 461,327.40 = 303,404.40 : x
  2. Step 2: Convert to fraction form
    307,551.60/461,327.40 = 303,404.40/x
  3. Step 3: Cross multiply
    307,551.60x = 461,327.40 × 303,404.40
  4. Step 4: Simplify right side
    307,551.60x = 139,968,763,000.56
  5. Step 5: Solve for x
    x = 139,968,763,000.56/307,551.60
  6. Step 6: Final answer
    x = 455,106.60

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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.