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Finding the Fourth Proportional to 316,570.43, 475,111.68 and 245,324.12

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Solution

The fourth proportional to 316,570.43, 475,111.68 and 245,324.12 is: 368,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,570.43 : 475,111.68 = 245,324.12 : x
  2. Step 2: Convert to fraction form
    316,570.43/475,111.68 = 245,324.12/x
  3. Step 3: Cross multiply
    316,570.43x = 475,111.68 × 245,324.12
  4. Step 4: Simplify right side
    316,570.43x = 116,556,354,797.72
  5. Step 5: Solve for x
    x = 116,556,354,797.72/316,570.43
  6. Step 6: Final answer
    x = 368,184.59

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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.