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Finding the Fourth Proportional to 316,554.24, 475,063.68 and 254,968.32

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Solution

The fourth proportional to 316,554.24, 475,063.68 and 254,968.32 is: 382,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,554.24 : 475,063.68 = 254,968.32 : x
  2. Step 2: Convert to fraction form
    316,554.24/475,063.68 = 254,968.32/x
  3. Step 3: Cross multiply
    316,554.24x = 475,063.68 × 254,968.32
  4. Step 4: Simplify right side
    316,554.24x = 121,126,188,382.62
  5. Step 5: Solve for x
    x = 121,126,188,382.62/316,554.24
  6. Step 6: Final answer
    x = 382,639.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.