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Finding the Fourth Proportional to 318,597.33, 439,664.46 and 175,356.36

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Solution

The fourth proportional to 318,597.33, 439,664.46 and 175,356.36 is: 241,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,597.33 : 439,664.46 = 175,356.36 : x
  2. Step 2: Convert to fraction form
    318,597.33/439,664.46 = 175,356.36/x
  3. Step 3: Cross multiply
    318,597.33x = 439,664.46 × 175,356.36
  4. Step 4: Simplify right side
    318,597.33x = 77,097,958,669.38
  5. Step 5: Solve for x
    x = 77,097,958,669.38/318,597.33
  6. Step 6: Final answer
    x = 241,991.85

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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.