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Finding the Fourth Proportional to 354,036.84, 488,093.04 and 343,029.48

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Solution

The fourth proportional to 354,036.84, 488,093.04 and 343,029.48 is: 472,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,036.84 : 488,093.04 = 343,029.48 : x
  2. Step 2: Convert to fraction form
    354,036.84/488,093.04 = 343,029.48/x
  3. Step 3: Cross multiply
    354,036.84x = 488,093.04 × 343,029.48
  4. Step 4: Simplify right side
    354,036.84x = 167,430,301,702.82
  5. Step 5: Solve for x
    x = 167,430,301,702.82/354,036.84
  6. Step 6: Final answer
    x = 472,917.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.