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Finding the Fourth Proportional to 538,552.96, 807,993.50 and 254,461.64

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Solution

The fourth proportional to 538,552.96, 807,993.50 and 254,461.64 is: 381,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,552.96 : 807,993.50 = 254,461.64 : x
  2. Step 2: Convert to fraction form
    538,552.96/807,993.50 = 254,461.64/x
  3. Step 3: Cross multiply
    538,552.96x = 807,993.50 × 254,461.64
  4. Step 4: Simplify right side
    538,552.96x = 205,603,351,119.34
  5. Step 5: Solve for x
    x = 205,603,351,119.34/538,552.96
  6. Step 6: Final answer
    x = 381,769.98

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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.