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Finding the Fourth Proportional to 633,439.44, 873,903.12 and 361,522.44

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Solution

The fourth proportional to 633,439.44, 873,903.12 and 361,522.44 is: 498,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,439.44 : 873,903.12 = 361,522.44 : x
  2. Step 2: Convert to fraction form
    633,439.44/873,903.12 = 361,522.44/x
  3. Step 3: Cross multiply
    633,439.44x = 873,903.12 × 361,522.44
  4. Step 4: Simplify right side
    633,439.44x = 315,935,588,266.01
  5. Step 5: Solve for x
    x = 315,935,588,266.01/633,439.44
  6. Step 6: Final answer
    x = 498,762.10

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1.5x scale

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.