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Finding the Fourth Proportional to 375,492.64, 518,185.20 and 224,560.48

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Solution

The fourth proportional to 375,492.64, 518,185.20 and 224,560.48 is: 309,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,492.64 : 518,185.20 = 224,560.48 : x
  2. Step 2: Convert to fraction form
    375,492.64/518,185.20 = 224,560.48/x
  3. Step 3: Cross multiply
    375,492.64x = 518,185.20 × 224,560.48
  4. Step 4: Simplify right side
    375,492.64x = 116,363,917,240.90
  5. Step 5: Solve for x
    x = 116,363,917,240.90/375,492.64
  6. Step 6: Final answer
    x = 309,896.67

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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.