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Finding the Fourth Proportional to 482,955.04, 724,137.06 and 230,312.80

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Solution

The fourth proportional to 482,955.04, 724,137.06 and 230,312.80 is: 345,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,955.04 : 724,137.06 = 230,312.80 : x
  2. Step 2: Convert to fraction form
    482,955.04/724,137.06 = 230,312.80/x
  3. Step 3: Cross multiply
    482,955.04x = 724,137.06 × 230,312.80
  4. Step 4: Simplify right side
    482,955.04x = 166,778,033,872.37
  5. Step 5: Solve for x
    x = 166,778,033,872.37/482,955.04
  6. Step 6: Final answer
    x = 345,328.28

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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.