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Finding the Fourth Proportional to 519,175.40, 779,111.40 and 182,215.40

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Solution

The fourth proportional to 519,175.40, 779,111.40 and 182,215.40 is: 273,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,175.40 : 779,111.40 = 182,215.40 : x
  2. Step 2: Convert to fraction form
    519,175.40/779,111.40 = 182,215.40/x
  3. Step 3: Cross multiply
    519,175.40x = 779,111.40 × 182,215.40
  4. Step 4: Simplify right side
    519,175.40x = 141,966,095,395.56
  5. Step 5: Solve for x
    x = 141,966,095,395.56/519,175.40
  6. Step 6: Final answer
    x = 273,445.34

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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.