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Finding the Fourth Proportional to 463,318.34, 639,374.43 and 259,370.94

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Solution

The fourth proportional to 463,318.34, 639,374.43 and 259,370.94 is: 357,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,318.34 : 639,374.43 = 259,370.94 : x
  2. Step 2: Convert to fraction form
    463,318.34/639,374.43 = 259,370.94/x
  3. Step 3: Cross multiply
    463,318.34x = 639,374.43 × 259,370.94
  4. Step 4: Simplify right side
    463,318.34x = 165,835,144,025.77
  5. Step 5: Solve for x
    x = 165,835,144,025.77/463,318.34
  6. Step 6: Final answer
    x = 357,929.16

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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.