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Finding the Fourth Proportional to 451,816.95, 677,365.78 and 223,952.21

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Solution

The fourth proportional to 451,816.95, 677,365.78 and 223,952.21 is: 335,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,816.95 : 677,365.78 = 223,952.21 : x
  2. Step 2: Convert to fraction form
    451,816.95/677,365.78 = 223,952.21/x
  3. Step 3: Cross multiply
    451,816.95x = 677,365.78 × 223,952.21
  4. Step 4: Simplify right side
    451,816.95x = 151,697,563,409.37
  5. Step 5: Solve for x
    x = 151,697,563,409.37/451,816.95
  6. Step 6: Final answer
    x = 335,750.05

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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.