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Finding the Fourth Proportional to 449,271, 619,488.54 and 367,343.64

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Solution

The fourth proportional to 449,271, 619,488.54 and 367,343.64 is: 506,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,271 : 619,488.54 = 367,343.64 : x
  2. Step 2: Convert to fraction form
    449,271/619,488.54 = 367,343.64/x
  3. Step 3: Cross multiply
    449,271x = 619,488.54 × 367,343.64
  4. Step 4: Simplify right side
    449,271x = 227,565,175,221.89
  5. Step 5: Solve for x
    x = 227,565,175,221.89/449,271
  6. Step 6: Final answer
    x = 506,520.95

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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.