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Finding the Fourth Proportional to 443,579.90, 612,146.16 and 252,594.05

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Solution

The fourth proportional to 443,579.90, 612,146.16 and 252,594.05 is: 348,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,579.90 : 612,146.16 = 252,594.05 : x
  2. Step 2: Convert to fraction form
    443,579.90/612,146.16 = 252,594.05/x
  3. Step 3: Cross multiply
    443,579.90x = 612,146.16 × 252,594.05
  4. Step 4: Simplify right side
    443,579.90x = 154,624,474,685.62
  5. Step 5: Solve for x
    x = 154,624,474,685.62/443,579.90
  6. Step 6: Final answer
    x = 348,583.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.