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Finding the Fourth Proportional to 373,453.38, 559,892.93 and 193,345.74

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Solution

The fourth proportional to 373,453.38, 559,892.93 and 193,345.74 is: 289,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,453.38 : 559,892.93 = 193,345.74 : x
  2. Step 2: Convert to fraction form
    373,453.38/559,892.93 = 193,345.74/x
  3. Step 3: Cross multiply
    373,453.38x = 559,892.93 × 193,345.74
  4. Step 4: Simplify right side
    373,453.38x = 108,252,911,904.89
  5. Step 5: Solve for x
    x = 108,252,911,904.89/373,453.38
  6. Step 6: Final answer
    x = 289,869.95

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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.