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Finding the Fourth Proportional to 593,445.68, 818,951.64 and 321,518.96

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Solution

The fourth proportional to 593,445.68, 818,951.64 and 321,518.96 is: 443,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,445.68 : 818,951.64 = 321,518.96 : x
  2. Step 2: Convert to fraction form
    593,445.68/818,951.64 = 321,518.96/x
  3. Step 3: Cross multiply
    593,445.68x = 818,951.64 × 321,518.96
  4. Step 4: Simplify right side
    593,445.68x = 263,308,479,583.09
  5. Step 5: Solve for x
    x = 263,308,479,583.09/593,445.68
  6. Step 6: Final answer
    x = 443,694.32

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1.5x scale

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.