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Finding the Fourth Proportional to 504,478.85, 756,715.53 and 216,248.04

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Solution

The fourth proportional to 504,478.85, 756,715.53 and 216,248.04 is: 324,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,478.85 : 756,715.53 = 216,248.04 : x
  2. Step 2: Convert to fraction form
    504,478.85/756,715.53 = 216,248.04/x
  3. Step 3: Cross multiply
    504,478.85x = 756,715.53 × 216,248.04
  4. Step 4: Simplify right side
    504,478.85x = 163,638,250,200.06
  5. Step 5: Solve for x
    x = 163,638,250,200.06/504,478.85
  6. Step 6: Final answer
    x = 324,370.88

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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.