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Finding the Fourth Proportional to 548,052.40, 822,078.60 and 349,254.10

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Solution

The fourth proportional to 548,052.40, 822,078.60 and 349,254.10 is: 523,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,052.40 : 822,078.60 = 349,254.10 : x
  2. Step 2: Convert to fraction form
    548,052.40/822,078.60 = 349,254.10/x
  3. Step 3: Cross multiply
    548,052.40x = 822,078.60 × 349,254.10
  4. Step 4: Simplify right side
    548,052.40x = 287,114,321,572.26
  5. Step 5: Solve for x
    x = 287,114,321,572.26/548,052.40
  6. Step 6: Final answer
    x = 523,881.15

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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.