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Finding the Fourth Proportional to 483,234.40, 724,851.60 and 283,650.40

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Solution

The fourth proportional to 483,234.40, 724,851.60 and 283,650.40 is: 425,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,234.40 : 724,851.60 = 283,650.40 : x
  2. Step 2: Convert to fraction form
    483,234.40/724,851.60 = 283,650.40/x
  3. Step 3: Cross multiply
    483,234.40x = 724,851.60 × 283,650.40
  4. Step 4: Simplify right side
    483,234.40x = 205,604,446,280.64
  5. Step 5: Solve for x
    x = 205,604,446,280.64/483,234.40
  6. Step 6: Final answer
    x = 425,475.60

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Double scale
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Similar ratio
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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.