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Finding the Fourth Proportional to 354,702.78, 532,054.17 and 236,604.78

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Solution

The fourth proportional to 354,702.78, 532,054.17 and 236,604.78 is: 354,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,702.78 : 532,054.17 = 236,604.78 : x
  2. Step 2: Convert to fraction form
    354,702.78/532,054.17 = 236,604.78/x
  3. Step 3: Cross multiply
    354,702.78x = 532,054.17 × 236,604.78
  4. Step 4: Simplify right side
    354,702.78x = 125,886,559,840.93
  5. Step 5: Solve for x
    x = 125,886,559,840.93/354,702.78
  6. Step 6: Final answer
    x = 354,907.17

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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.