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Finding the Fourth Proportional to 504,381.52, 756,752.96 and 216,072.21

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Solution

The fourth proportional to 504,381.52, 756,752.96 and 216,072.21 is: 324,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,381.52 : 756,752.96 = 216,072.21 : x
  2. Step 2: Convert to fraction form
    504,381.52/756,752.96 = 216,072.21/x
  3. Step 3: Cross multiply
    504,381.52x = 756,752.96 × 216,072.21
  4. Step 4: Simplify right side
    504,381.52x = 163,513,284,491.24
  5. Step 5: Solve for x
    x = 163,513,284,491.24/504,381.52
  6. Step 6: Final answer
    x = 324,185.72

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1.5x scale

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.