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Finding the Fourth Proportional to 336,383.61, 504,489.45 and 99,670.93

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Solution

The fourth proportional to 336,383.61, 504,489.45 and 99,670.93 is: 149,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,383.61 : 504,489.45 = 99,670.93 : x
  2. Step 2: Convert to fraction form
    336,383.61/504,489.45 = 99,670.93/x
  3. Step 3: Cross multiply
    336,383.61x = 504,489.45 × 99,670.93
  4. Step 4: Simplify right side
    336,383.61x = 50,282,932,656.69
  5. Step 5: Solve for x
    x = 50,282,932,656.69/336,383.61
  6. Step 6: Final answer
    x = 149,480.92

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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.