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Finding the Fourth Proportional to 328,075.73, 452,744.50 and 177,172.73

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Solution

The fourth proportional to 328,075.73, 452,744.50 and 177,172.73 is: 244,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,075.73 : 452,744.50 = 177,172.73 : x
  2. Step 2: Convert to fraction form
    328,075.73/452,744.50 = 177,172.73/x
  3. Step 3: Cross multiply
    328,075.73x = 452,744.50 × 177,172.73
  4. Step 4: Simplify right side
    328,075.73x = 80,213,976,350.83
  5. Step 5: Solve for x
    x = 80,213,976,350.83/328,075.73
  6. Step 6: Final answer
    x = 244,498.36

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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.