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Finding the Fourth Proportional to 336,382.61, 504,487.95 and 99,669.93

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Solution

The fourth proportional to 336,382.61, 504,487.95 and 99,669.93 is: 149,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,382.61 : 504,487.95 = 99,669.93 : x
  2. Step 2: Convert to fraction form
    336,382.61/504,487.95 = 99,669.93/x
  3. Step 3: Cross multiply
    336,382.61x = 504,487.95 × 99,669.93
  4. Step 4: Simplify right side
    336,382.61x = 50,282,276,396.75
  5. Step 5: Solve for x
    x = 50,282,276,396.75/336,382.61
  6. Step 6: Final answer
    x = 149,479.42

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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.