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Finding the Fourth Proportional to 567,983.40, 783,804.42 and 313,334.52

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Solution

The fourth proportional to 567,983.40, 783,804.42 and 313,334.52 is: 432,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,983.40 : 783,804.42 = 313,334.52 : x
  2. Step 2: Convert to fraction form
    567,983.40/783,804.42 = 313,334.52/x
  3. Step 3: Cross multiply
    567,983.40x = 783,804.42 × 313,334.52
  4. Step 4: Simplify right side
    567,983.40x = 245,592,981,714.58
  5. Step 5: Solve for x
    x = 245,592,981,714.58/567,983.40
  6. Step 6: Final answer
    x = 432,394.65

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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.