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Finding the Fourth Proportional to 482,846.93, 724,285.59 and 230,154.87

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Solution

The fourth proportional to 482,846.93, 724,285.59 and 230,154.87 is: 345,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,846.93 : 724,285.59 = 230,154.87 : x
  2. Step 2: Convert to fraction form
    482,846.93/724,285.59 = 230,154.87/x
  3. Step 3: Cross multiply
    482,846.93x = 724,285.59 × 230,154.87
  4. Step 4: Simplify right side
    482,846.93x = 166,697,855,809.32
  5. Step 5: Solve for x
    x = 166,697,855,809.32/482,846.93
  6. Step 6: Final answer
    x = 345,239.55

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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.