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Finding the Fourth Proportional to 254,497.24, 381,155.10 and 245,640.16

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Solution

The fourth proportional to 254,497.24, 381,155.10 and 245,640.16 is: 367,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,497.24 : 381,155.10 = 245,640.16 : x
  2. Step 2: Convert to fraction form
    254,497.24/381,155.10 = 245,640.16/x
  3. Step 3: Cross multiply
    254,497.24x = 381,155.10 × 245,640.16
  4. Step 4: Simplify right side
    254,497.24x = 93,626,999,748.82
  5. Step 5: Solve for x
    x = 93,626,999,748.82/254,497.24
  6. Step 6: Final answer
    x = 367,890.04

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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.