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Finding the Fourth Proportional to 590,838.05, 815,310.47 and 349,074.77

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Solution

The fourth proportional to 590,838.05, 815,310.47 and 349,074.77 is: 481,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,838.05 : 815,310.47 = 349,074.77 : x
  2. Step 2: Convert to fraction form
    590,838.05/815,310.47 = 349,074.77/x
  3. Step 3: Cross multiply
    590,838.05x = 815,310.47 × 349,074.77
  4. Step 4: Simplify right side
    590,838.05x = 284,604,314,793.84
  5. Step 5: Solve for x
    x = 284,604,314,793.84/590,838.05
  6. Step 6: Final answer
    x = 481,695.98

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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.