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Finding the Fourth Proportional to 762,234.40, 1,051,883.16 and 422,702.68

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Solution

The fourth proportional to 762,234.40, 1,051,883.16 and 422,702.68 is: 583,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,234.40 : 1,051,883.16 = 422,702.68 : x
  2. Step 2: Convert to fraction form
    762,234.40/1,051,883.16 = 422,702.68/x
  3. Step 3: Cross multiply
    762,234.40x = 1,051,883.16 × 422,702.68
  4. Step 4: Simplify right side
    762,234.40x = 444,633,830,778.87
  5. Step 5: Solve for x
    x = 444,633,830,778.87/762,234.40
  6. Step 6: Final answer
    x = 583,329.53

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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.