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Finding the Fourth Proportional to 653,174.64, 901,318.76 and 366,629.04

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Solution

The fourth proportional to 653,174.64, 901,318.76 and 366,629.04 is: 505,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,174.64 : 901,318.76 = 366,629.04 : x
  2. Step 2: Convert to fraction form
    653,174.64/901,318.76 = 366,629.04/x
  3. Step 3: Cross multiply
    653,174.64x = 901,318.76 × 366,629.04
  4. Step 4: Simplify right side
    653,174.64x = 330,449,631,712.79
  5. Step 5: Solve for x
    x = 330,449,631,712.79/653,174.64
  6. Step 6: Final answer
    x = 505,913.14

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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.