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Finding the Fourth Proportional to 653,231.26, 901,473.39 and 358,884.77

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Solution

The fourth proportional to 653,231.26, 901,473.39 and 358,884.77 is: 495,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,231.26 : 901,473.39 = 358,884.77 : x
  2. Step 2: Convert to fraction form
    653,231.26/901,473.39 = 358,884.77/x
  3. Step 3: Cross multiply
    653,231.26x = 901,473.39 × 358,884.77
  4. Step 4: Simplify right side
    653,231.26x = 323,525,070,231.27
  5. Step 5: Solve for x
    x = 323,525,070,231.27/653,231.26
  6. Step 6: Final answer
    x = 495,268.81

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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.