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Finding the Fourth Proportional to 297,970.40, 446,977.20 and 179,386.40

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Solution

The fourth proportional to 297,970.40, 446,977.20 and 179,386.40 is: 269,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,970.40 : 446,977.20 = 179,386.40 : x
  2. Step 2: Convert to fraction form
    297,970.40/446,977.20 = 179,386.40/x
  3. Step 3: Cross multiply
    297,970.40x = 446,977.20 × 179,386.40
  4. Step 4: Simplify right side
    297,970.40x = 80,181,630,790.08
  5. Step 5: Solve for x
    x = 80,181,630,790.08/297,970.40
  6. Step 6: Final answer
    x = 269,092.60

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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.