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Finding the Fourth Proportional to 495,602.93, 683,889.64 and 274,847.33

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Solution

The fourth proportional to 495,602.93, 683,889.64 and 274,847.33 is: 379,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,602.93 : 683,889.64 = 274,847.33 : x
  2. Step 2: Convert to fraction form
    495,602.93/683,889.64 = 274,847.33/x
  3. Step 3: Cross multiply
    495,602.93x = 683,889.64 × 274,847.33
  4. Step 4: Simplify right side
    495,602.93x = 187,965,237,462.10
  5. Step 5: Solve for x
    x = 187,965,237,462.10/495,602.93
  6. Step 6: Final answer
    x = 379,265.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.