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Finding the Fourth Proportional to 468,082.98, 645,953.76 and 253,222.92

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Solution

The fourth proportional to 468,082.98, 645,953.76 and 253,222.92 is: 349,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,082.98 : 645,953.76 = 253,222.92 : x
  2. Step 2: Convert to fraction form
    468,082.98/645,953.76 = 253,222.92/x
  3. Step 3: Cross multiply
    468,082.98x = 645,953.76 × 253,222.92
  4. Step 4: Simplify right side
    468,082.98x = 163,570,297,292.18
  5. Step 5: Solve for x
    x = 163,570,297,292.18/468,082.98
  6. Step 6: Final answer
    x = 349,447.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.