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Finding the Fourth Proportional to 610,410.60, 915,702.30 and 189,642.60

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Solution

The fourth proportional to 610,410.60, 915,702.30 and 189,642.60 is: 284,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,410.60 : 915,702.30 = 189,642.60 : x
  2. Step 2: Convert to fraction form
    610,410.60/915,702.30 = 189,642.60/x
  3. Step 3: Cross multiply
    610,410.60x = 915,702.30 × 189,642.60
  4. Step 4: Simplify right side
    610,410.60x = 173,656,164,997.98
  5. Step 5: Solve for x
    x = 173,656,164,997.98/610,410.60
  6. Step 6: Final answer
    x = 284,490.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.