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Finding the Fourth Proportional to 328,410.90, 453,206.80 and 177,507.90

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Solution

The fourth proportional to 328,410.90, 453,206.80 and 177,507.90 is: 244,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,410.90 : 453,206.80 = 177,507.90 : x
  2. Step 2: Convert to fraction form
    328,410.90/453,206.80 = 177,507.90/x
  3. Step 3: Cross multiply
    328,410.90x = 453,206.80 × 177,507.90
  4. Step 4: Simplify right side
    328,410.90x = 80,447,787,333.72
  5. Step 5: Solve for x
    x = 80,447,787,333.72/328,410.90
  6. Step 6: Final answer
    x = 244,960.77

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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.