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Finding the Fourth Proportional to 354,446.60, 530,053.72 and 264,552.72

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Solution

The fourth proportional to 354,446.60, 530,053.72 and 264,552.72 is: 395,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,446.60 : 530,053.72 = 264,552.72 : x
  2. Step 2: Convert to fraction form
    354,446.60/530,053.72 = 264,552.72/x
  3. Step 3: Cross multiply
    354,446.60x = 530,053.72 × 264,552.72
  4. Step 4: Simplify right side
    354,446.60x = 140,227,153,372.12
  5. Step 5: Solve for x
    x = 140,227,153,372.12/354,446.60
  6. Step 6: Final answer
    x = 395,622.79

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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.