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Finding the Fourth Proportional to 653,134.72, 901,322.32 and 366,654.72

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Solution

The fourth proportional to 653,134.72, 901,322.32 and 366,654.72 is: 505,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,134.72 : 901,322.32 = 366,654.72 : x
  2. Step 2: Convert to fraction form
    653,134.72/901,322.32 = 366,654.72/x
  3. Step 3: Cross multiply
    653,134.72x = 901,322.32 × 366,654.72
  4. Step 4: Simplify right side
    653,134.72x = 330,474,082,869.35
  5. Step 5: Solve for x
    x = 330,474,082,869.35/653,134.72
  6. Step 6: Final answer
    x = 505,981.50

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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.