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Finding the Fourth Proportional to 593,135.60, 818,527.58 and 321,205.64

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Solution

The fourth proportional to 593,135.60, 818,527.58 and 321,205.64 is: 443,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,135.60 : 818,527.58 = 321,205.64 : x
  2. Step 2: Convert to fraction form
    593,135.60/818,527.58 = 321,205.64/x
  3. Step 3: Cross multiply
    593,135.60x = 818,527.58 × 321,205.64
  4. Step 4: Simplify right side
    593,135.60x = 262,915,675,191.55
  5. Step 5: Solve for x
    x = 262,915,675,191.55/593,135.60
  6. Step 6: Final answer
    x = 443,264.03

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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.