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Finding the Fourth Proportional to 483,432.80, 724,274.40 and 296,225.60

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Solution

The fourth proportional to 483,432.80, 724,274.40 and 296,225.60 is: 443,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,432.80 : 724,274.40 = 296,225.60 : x
  2. Step 2: Convert to fraction form
    483,432.80/724,274.40 = 296,225.60/x
  3. Step 3: Cross multiply
    483,432.80x = 724,274.40 × 296,225.60
  4. Step 4: Simplify right side
    483,432.80x = 214,548,618,704.64
  5. Step 5: Solve for x
    x = 214,548,618,704.64/483,432.80
  6. Step 6: Final answer
    x = 443,802.36

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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.