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Finding the Fourth Proportional to 299,281.60, 448,339.20 and 180,600.40

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Solution

The fourth proportional to 299,281.60, 448,339.20 and 180,600.40 is: 270,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,281.60 : 448,339.20 = 180,600.40 : x
  2. Step 2: Convert to fraction form
    299,281.60/448,339.20 = 180,600.40/x
  3. Step 3: Cross multiply
    299,281.60x = 448,339.20 × 180,600.40
  4. Step 4: Simplify right side
    299,281.60x = 80,970,238,855.68
  5. Step 5: Solve for x
    x = 80,970,238,855.68/299,281.60
  6. Step 6: Final answer
    x = 270,548.67

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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.