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Finding the Fourth Proportional to 593,006.58, 818,347.86 and 321,074.72

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Solution

The fourth proportional to 593,006.58, 818,347.86 and 321,074.72 is: 443,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,006.58 : 818,347.86 = 321,074.72 : x
  2. Step 2: Convert to fraction form
    593,006.58/818,347.86 = 321,074.72/x
  3. Step 3: Cross multiply
    593,006.58x = 818,347.86 × 321,074.72
  4. Step 4: Simplify right side
    593,006.58x = 262,750,810,012.10
  5. Step 5: Solve for x
    x = 262,750,810,012.10/593,006.58
  6. Step 6: Final answer
    x = 443,082.45

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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.