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Finding the Fourth Proportional to 573,452.40, 860,178.60 and 538,460.40

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Solution

The fourth proportional to 573,452.40, 860,178.60 and 538,460.40 is: 807,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,452.40 : 860,178.60 = 538,460.40 : x
  2. Step 2: Convert to fraction form
    573,452.40/860,178.60 = 538,460.40/x
  3. Step 3: Cross multiply
    573,452.40x = 860,178.60 × 538,460.40
  4. Step 4: Simplify right side
    573,452.40x = 463,172,113,027.44
  5. Step 5: Solve for x
    x = 463,172,113,027.44/573,452.40
  6. Step 6: Final answer
    x = 807,690.60

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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.