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Finding the Fourth Proportional to 373,459.38, 559,901.91 and 193,351.74

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Solution

The fourth proportional to 373,459.38, 559,901.91 and 193,351.74 is: 289,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,459.38 : 559,901.91 = 193,351.74 : x
  2. Step 2: Convert to fraction form
    373,459.38/559,901.91 = 193,351.74/x
  3. Step 3: Cross multiply
    373,459.38x = 559,901.91 × 193,351.74
  4. Step 4: Simplify right side
    373,459.38x = 108,258,008,527.82
  5. Step 5: Solve for x
    x = 108,258,008,527.82/373,459.38
  6. Step 6: Final answer
    x = 289,878.94

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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.