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Finding the Fourth Proportional to 446,994.40, 669,616.80 and 268,972.60

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Solution

The fourth proportional to 446,994.40, 669,616.80 and 268,972.60 is: 402,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,994.40 : 669,616.80 = 268,972.60 : x
  2. Step 2: Convert to fraction form
    446,994.40/669,616.80 = 268,972.60/x
  3. Step 3: Cross multiply
    446,994.40x = 669,616.80 × 268,972.60
  4. Step 4: Simplify right side
    446,994.40x = 180,108,571,699.68
  5. Step 5: Solve for x
    x = 180,108,571,699.68/446,994.40
  6. Step 6: Final answer
    x = 402,932.50

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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.