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Finding the Fourth Proportional to 393,166.58, 588,885.44 and 324,925.20

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Solution

The fourth proportional to 393,166.58, 588,885.44 and 324,925.20 is: 486,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,166.58 : 588,885.44 = 324,925.20 : x
  2. Step 2: Convert to fraction form
    393,166.58/588,885.44 = 324,925.20/x
  3. Step 3: Cross multiply
    393,166.58x = 588,885.44 × 324,925.20
  4. Step 4: Simplify right side
    393,166.58x = 191,343,717,744.46
  5. Step 5: Solve for x
    x = 191,343,717,744.46/393,166.58
  6. Step 6: Final answer
    x = 486,673.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.