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Finding the Fourth Proportional to 572,864.68, 858,651.18 and 273,099.88

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Solution

The fourth proportional to 572,864.68, 858,651.18 and 273,099.88 is: 409,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,864.68 : 858,651.18 = 273,099.88 : x
  2. Step 2: Convert to fraction form
    572,864.68/858,651.18 = 273,099.88/x
  3. Step 3: Cross multiply
    572,864.68x = 858,651.18 × 273,099.88
  4. Step 4: Simplify right side
    572,864.68x = 234,497,534,219.86
  5. Step 5: Solve for x
    x = 234,497,534,219.86/572,864.68
  6. Step 6: Final answer
    x = 409,341.93

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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.