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Finding the Fourth Proportional to 328,216.68, 452,939.34 and 177,313.80

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Solution

The fourth proportional to 328,216.68, 452,939.34 and 177,313.80 is: 244,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,216.68 : 452,939.34 = 177,313.80 : x
  2. Step 2: Convert to fraction form
    328,216.68/452,939.34 = 177,313.80/x
  3. Step 3: Cross multiply
    328,216.68x = 452,939.34 × 177,313.80
  4. Step 4: Simplify right side
    328,216.68x = 80,312,395,544.89
  5. Step 5: Solve for x
    x = 80,312,395,544.89/328,216.68
  6. Step 6: Final answer
    x = 244,693.22

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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.