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Finding the Fourth Proportional to 483,400.80, 724,226.40 and 296,193.60

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Solution

The fourth proportional to 483,400.80, 724,226.40 and 296,193.60 is: 443,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,400.80 : 724,226.40 = 296,193.60 : x
  2. Step 2: Convert to fraction form
    483,400.80/724,226.40 = 296,193.60/x
  3. Step 3: Cross multiply
    483,400.80x = 724,226.40 × 296,193.60
  4. Step 4: Simplify right side
    483,400.80x = 214,511,224,631.04
  5. Step 5: Solve for x
    x = 214,511,224,631.04/483,400.80
  6. Step 6: Final answer
    x = 443,754.38

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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.