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Finding the Fourth Proportional to 328,193.76, 452,907.38 and 177,290.76

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Solution

The fourth proportional to 328,193.76, 452,907.38 and 177,290.76 is: 244,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,193.76 : 452,907.38 = 177,290.76 : x
  2. Step 2: Convert to fraction form
    328,193.76/452,907.38 = 177,290.76/x
  3. Step 3: Cross multiply
    328,193.76x = 452,907.38 × 177,290.76
  4. Step 4: Simplify right side
    328,193.76x = 80,296,293,609.81
  5. Step 5: Solve for x
    x = 80,296,293,609.81/328,193.76
  6. Step 6: Final answer
    x = 244,661.24

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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.