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Finding the Fourth Proportional to 328,303.80, 453,059.10 and 177,400.80

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Solution

The fourth proportional to 328,303.80, 453,059.10 and 177,400.80 is: 244,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,303.80 : 453,059.10 = 177,400.80 : x
  2. Step 2: Convert to fraction form
    328,303.80/453,059.10 = 177,400.80/x
  3. Step 3: Cross multiply
    328,303.80x = 453,059.10 × 177,400.80
  4. Step 4: Simplify right side
    328,303.80x = 80,373,046,787.28
  5. Step 5: Solve for x
    x = 80,373,046,787.28/328,303.80
  6. Step 6: Final answer
    x = 244,813.03

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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.