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Finding the Fourth Proportional to 482,986.44, 723,537.18 and 316,269

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Solution

The fourth proportional to 482,986.44, 723,537.18 and 316,269 is: 473,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,986.44 : 723,537.18 = 316,269 : x
  2. Step 2: Convert to fraction form
    482,986.44/723,537.18 = 316,269/x
  3. Step 3: Cross multiply
    482,986.44x = 723,537.18 × 316,269
  4. Step 4: Simplify right side
    482,986.44x = 228,832,380,381.42
  5. Step 5: Solve for x
    x = 228,832,380,381.42/482,986.44
  6. Step 6: Final answer
    x = 473,786.35

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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.