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Finding the Fourth Proportional to 653,249.11, 901,453.31 and 362,879.50

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Solution

The fourth proportional to 653,249.11, 901,453.31 and 362,879.50 is: 500,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,249.11 : 901,453.31 = 362,879.50 : x
  2. Step 2: Convert to fraction form
    653,249.11/901,453.31 = 362,879.50/x
  3. Step 3: Cross multiply
    653,249.11x = 901,453.31 × 362,879.50
  4. Step 4: Simplify right side
    653,249.11x = 327,118,924,152.51
  5. Step 5: Solve for x
    x = 327,118,924,152.51/653,249.11
  6. Step 6: Final answer
    x = 500,756.78

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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.