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Finding the Fourth Proportional to 336,072.60, 504,108.90 and 310,411.80

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Solution

The fourth proportional to 336,072.60, 504,108.90 and 310,411.80 is: 465,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,072.60 : 504,108.90 = 310,411.80 : x
  2. Step 2: Convert to fraction form
    336,072.60/504,108.90 = 310,411.80/x
  3. Step 3: Cross multiply
    336,072.60x = 504,108.90 × 310,411.80
  4. Step 4: Simplify right side
    336,072.60x = 156,481,351,045.02
  5. Step 5: Solve for x
    x = 156,481,351,045.02/336,072.60
  6. Step 6: Final answer
    x = 465,617.70

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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.