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Finding the Fourth Proportional to 490,844.60, 736,266.90 and 364,873.40

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Solution

The fourth proportional to 490,844.60, 736,266.90 and 364,873.40 is: 547,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,844.60 : 736,266.90 = 364,873.40 : x
  2. Step 2: Convert to fraction form
    490,844.60/736,266.90 = 364,873.40/x
  3. Step 3: Cross multiply
    490,844.60x = 736,266.90 × 364,873.40
  4. Step 4: Simplify right side
    490,844.60x = 268,644,207,110.46
  5. Step 5: Solve for x
    x = 268,644,207,110.46/490,844.60
  6. Step 6: Final answer
    x = 547,310.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.