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Finding the Fourth Proportional to 648,474.60, 973,878.30 and 471,181.80

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Solution

The fourth proportional to 648,474.60, 973,878.30 and 471,181.80 is: 707,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,474.60 : 973,878.30 = 471,181.80 : x
  2. Step 2: Convert to fraction form
    648,474.60/973,878.30 = 471,181.80/x
  3. Step 3: Cross multiply
    648,474.60x = 973,878.30 × 471,181.80
  4. Step 4: Simplify right side
    648,474.60x = 458,873,730,374.94
  5. Step 5: Solve for x
    x = 458,873,730,374.94/648,474.60
  6. Step 6: Final answer
    x = 707,620.21

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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.