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Finding the Fourth Proportional to 530,625.45, 732,183.51 and 298,043.47

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Solution

The fourth proportional to 530,625.45, 732,183.51 and 298,043.47 is: 411,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,625.45 : 732,183.51 = 298,043.47 : x
  2. Step 2: Convert to fraction form
    530,625.45/732,183.51 = 298,043.47/x
  3. Step 3: Cross multiply
    530,625.45x = 732,183.51 × 298,043.47
  4. Step 4: Simplify right side
    530,625.45x = 218,222,510,235.05
  5. Step 5: Solve for x
    x = 218,222,510,235.05/530,625.45
  6. Step 6: Final answer
    x = 411,255.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.