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Finding the Fourth Proportional to 493,234.40, 740,629.20 and 283,282.40

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Solution

The fourth proportional to 493,234.40, 740,629.20 and 283,282.40 is: 425,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,234.40 : 740,629.20 = 283,282.40 : x
  2. Step 2: Convert to fraction form
    493,234.40/740,629.20 = 283,282.40/x
  3. Step 3: Cross multiply
    493,234.40x = 740,629.20 × 283,282.40
  4. Step 4: Simplify right side
    493,234.40x = 209,807,217,286.08
  5. Step 5: Solve for x
    x = 209,807,217,286.08/493,234.40
  6. Step 6: Final answer
    x = 425,370.20

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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.