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Finding the Fourth Proportional to 323,281.20, 446,141.90 and 180,041.25

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Solution

The fourth proportional to 323,281.20, 446,141.90 and 180,041.25 is: 248,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,281.20 : 446,141.90 = 180,041.25 : x
  2. Step 2: Convert to fraction form
    323,281.20/446,141.90 = 180,041.25/x
  3. Step 3: Cross multiply
    323,281.20x = 446,141.90 × 180,041.25
  4. Step 4: Simplify right side
    323,281.20x = 80,323,944,453.17
  5. Step 5: Solve for x
    x = 80,323,944,453.17/323,281.20
  6. Step 6: Final answer
    x = 248,464.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.