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Finding the Fourth Proportional to 253,124.55, 379,686.83 and 253,124.55

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Solution

The fourth proportional to 253,124.55, 379,686.83 and 253,124.55 is: 379,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,124.55 : 379,686.83 = 253,124.55 : x
  2. Step 2: Convert to fraction form
    253,124.55/379,686.83 = 253,124.55/x
  3. Step 3: Cross multiply
    253,124.55x = 379,686.83 × 253,124.55
  4. Step 4: Simplify right side
    253,124.55x = 96,108,056,719.05
  5. Step 5: Solve for x
    x = 96,108,056,719.05/253,124.55
  6. Step 6: Final answer
    x = 379,686.83

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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.