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Finding the Fourth Proportional to 446,093.60, 669,140.40 and 410,151.20

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Solution

The fourth proportional to 446,093.60, 669,140.40 and 410,151.20 is: 615,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,093.60 : 669,140.40 = 410,151.20 : x
  2. Step 2: Convert to fraction form
    446,093.60/669,140.40 = 410,151.20/x
  3. Step 3: Cross multiply
    446,093.60x = 669,140.40 × 410,151.20
  4. Step 4: Simplify right side
    446,093.60x = 274,448,738,028.48
  5. Step 5: Solve for x
    x = 274,448,738,028.48/446,093.60
  6. Step 6: Final answer
    x = 615,226.80

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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.