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Finding the Fourth Proportional to 590,895.76, 886,530.13 and 449,418.72

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Solution

The fourth proportional to 590,895.76, 886,530.13 and 449,418.72 is: 674,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,895.76 : 886,530.13 = 449,418.72 : x
  2. Step 2: Convert to fraction form
    590,895.76/886,530.13 = 449,418.72/x
  3. Step 3: Cross multiply
    590,895.76x = 886,530.13 × 449,418.72
  4. Step 4: Simplify right side
    590,895.76x = 398,423,236,266.03
  5. Step 5: Solve for x
    x = 398,423,236,266.03/590,895.76
  6. Step 6: Final answer
    x = 674,269.92

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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.