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Finding the Fourth Proportional to 377,197.17, 520,492.73 and 216,059.01

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Solution

The fourth proportional to 377,197.17, 520,492.73 and 216,059.01 is: 298,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,197.17 : 520,492.73 = 216,059.01 : x
  2. Step 2: Convert to fraction form
    377,197.17/520,492.73 = 216,059.01/x
  3. Step 3: Cross multiply
    377,197.17x = 520,492.73 × 216,059.01
  4. Step 4: Simplify right side
    377,197.17x = 112,457,143,415.85
  5. Step 5: Solve for x
    x = 112,457,143,415.85/377,197.17
  6. Step 6: Final answer
    x = 298,138.88

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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.