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Finding the Fourth Proportional to 722,234.51, 996,682 and 416,308.86

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Solution

The fourth proportional to 722,234.51, 996,682 and 416,308.86 is: 574,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,234.51 : 996,682 = 416,308.86 : x
  2. Step 2: Convert to fraction form
    722,234.51/996,682 = 416,308.86/x
  3. Step 3: Cross multiply
    722,234.51x = 996,682 × 416,308.86
  4. Step 4: Simplify right side
    722,234.51x = 414,927,547,202.52
  5. Step 5: Solve for x
    x = 414,927,547,202.52/722,234.51
  6. Step 6: Final answer
    x = 574,505.29

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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.