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Finding the Fourth Proportional to 575,099.70, 862,001.55 and 275,723.70

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Solution

The fourth proportional to 575,099.70, 862,001.55 and 275,723.70 is: 413,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,099.70 : 862,001.55 = 275,723.70 : x
  2. Step 2: Convert to fraction form
    575,099.70/862,001.55 = 275,723.70/x
  3. Step 3: Cross multiply
    575,099.70x = 862,001.55 × 275,723.70
  4. Step 4: Simplify right side
    575,099.70x = 237,674,256,771.74
  5. Step 5: Solve for x
    x = 237,674,256,771.74/575,099.70
  6. Step 6: Final answer
    x = 413,274.88

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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.