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Finding the Fourth Proportional to 593,085.85, 818,458.91 and 321,155.89

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Solution

The fourth proportional to 593,085.85, 818,458.91 and 321,155.89 is: 443,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,085.85 : 818,458.91 = 321,155.89 : x
  2. Step 2: Convert to fraction form
    593,085.85/818,458.91 = 321,155.89/x
  3. Step 3: Cross multiply
    593,085.85x = 818,458.91 × 321,155.89
  4. Step 4: Simplify right side
    593,085.85x = 262,852,899,669.48
  5. Step 5: Solve for x
    x = 262,852,899,669.48/593,085.85
  6. Step 6: Final answer
    x = 443,195.36

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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.