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Finding the Fourth Proportional to 737,702.10, 1,018,018.86 and 415,416.06

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Solution

The fourth proportional to 737,702.10, 1,018,018.86 and 415,416.06 is: 573,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,702.10 : 1,018,018.86 = 415,416.06 : x
  2. Step 2: Convert to fraction form
    737,702.10/1,018,018.86 = 415,416.06/x
  3. Step 3: Cross multiply
    737,702.10x = 1,018,018.86 × 415,416.06
  4. Step 4: Simplify right side
    737,702.10x = 422,901,383,826.89
  5. Step 5: Solve for x
    x = 422,901,383,826.89/737,702.10
  6. Step 6: Final answer
    x = 573,268.51

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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.