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Finding the Fourth Proportional to 595,033.29, 821,030.38 and 353,391.66

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Solution

The fourth proportional to 595,033.29, 821,030.38 and 353,391.66 is: 487,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,033.29 : 821,030.38 = 353,391.66 : x
  2. Step 2: Convert to fraction form
    595,033.29/821,030.38 = 353,391.66/x
  3. Step 3: Cross multiply
    595,033.29x = 821,030.38 × 353,391.66
  4. Step 4: Simplify right side
    595,033.29x = 290,145,288,898.63
  5. Step 5: Solve for x
    x = 290,145,288,898.63/595,033.29
  6. Step 6: Final answer
    x = 487,611.86

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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.