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Finding the Fourth Proportional to 328,196.45, 452,911.50 and 177,293.45

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Solution

The fourth proportional to 328,196.45, 452,911.50 and 177,293.45 is: 244,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,196.45 : 452,911.50 = 177,293.45 : x
  2. Step 2: Convert to fraction form
    328,196.45/452,911.50 = 177,293.45/x
  3. Step 3: Cross multiply
    328,196.45x = 452,911.50 × 177,293.45
  4. Step 4: Simplify right side
    328,196.45x = 80,298,240,115.12
  5. Step 5: Solve for x
    x = 80,298,240,115.12/328,196.45
  6. Step 6: Final answer
    x = 244,665.17

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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.