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Finding the Fourth Proportional to 373,297.53, 559,074.33 and 343,154.86

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Solution

The fourth proportional to 373,297.53, 559,074.33 and 343,154.86 is: 513,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,297.53 : 559,074.33 = 343,154.86 : x
  2. Step 2: Convert to fraction form
    373,297.53/559,074.33 = 343,154.86/x
  3. Step 3: Cross multiply
    373,297.53x = 559,074.33 × 343,154.86
  4. Step 4: Simplify right side
    373,297.53x = 191,849,073,440.74
  5. Step 5: Solve for x
    x = 191,849,073,440.74/373,297.53
  6. Step 6: Final answer
    x = 513,930.73

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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.