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Finding the Fourth Proportional to 483,403.80, 724,230.90 and 296,196.60

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Solution

The fourth proportional to 483,403.80, 724,230.90 and 296,196.60 is: 443,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,403.80 : 724,230.90 = 296,196.60 : x
  2. Step 2: Convert to fraction form
    483,403.80/724,230.90 = 296,196.60/x
  3. Step 3: Cross multiply
    483,403.80x = 724,230.90 × 296,196.60
  4. Step 4: Simplify right side
    483,403.80x = 214,514,730,194.94
  5. Step 5: Solve for x
    x = 214,514,730,194.94/483,403.80
  6. Step 6: Final answer
    x = 443,758.88

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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.