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Finding the Fourth Proportional to 504,549.09, 756,916.92 and 144,704.88

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Solution

The fourth proportional to 504,549.09, 756,916.92 and 144,704.88 is: 217,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,549.09 : 756,916.92 = 144,704.88 : x
  2. Step 2: Convert to fraction form
    504,549.09/756,916.92 = 144,704.88/x
  3. Step 3: Cross multiply
    504,549.09x = 756,916.92 × 144,704.88
  4. Step 4: Simplify right side
    504,549.09x = 109,529,572,078.57
  5. Step 5: Solve for x
    x = 109,529,572,078.57/504,549.09
  6. Step 6: Final answer
    x = 217,084.07

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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.