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Finding the Fourth Proportional to 334,398.11, 501,301.89 and 255,862.94

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Solution

The fourth proportional to 334,398.11, 501,301.89 and 255,862.94 is: 383,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,398.11 : 501,301.89 = 255,862.94 : x
  2. Step 2: Convert to fraction form
    334,398.11/501,301.89 = 255,862.94/x
  3. Step 3: Cross multiply
    334,398.11x = 501,301.89 × 255,862.94
  4. Step 4: Simplify right side
    334,398.11x = 128,264,575,402.96
  5. Step 5: Solve for x
    x = 128,264,575,402.96/334,398.11
  6. Step 6: Final answer
    x = 383,568.48

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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.