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Finding the Fourth Proportional to 348,755.32, 523,130.46 and 230,953.96

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Solution

The fourth proportional to 348,755.32, 523,130.46 and 230,953.96 is: 346,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,755.32 : 523,130.46 = 230,953.96 : x
  2. Step 2: Convert to fraction form
    348,755.32/523,130.46 = 230,953.96/x
  3. Step 3: Cross multiply
    348,755.32x = 523,130.46 × 230,953.96
  4. Step 4: Simplify right side
    348,755.32x = 120,819,051,333.62
  5. Step 5: Solve for x
    x = 120,819,051,333.62/348,755.32
  6. Step 6: Final answer
    x = 346,429.27

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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.