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Finding the Fourth Proportional to 468,409.36, 702,633.48 and 135,985.36

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Solution

The fourth proportional to 468,409.36, 702,633.48 and 135,985.36 is: 203,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,409.36 : 702,633.48 = 135,985.36 : x
  2. Step 2: Convert to fraction form
    468,409.36/702,633.48 = 135,985.36/x
  3. Step 3: Cross multiply
    468,409.36x = 702,633.48 × 135,985.36
  4. Step 4: Simplify right side
    468,409.36x = 95,547,866,725.85
  5. Step 5: Solve for x
    x = 95,547,866,725.85/468,409.36
  6. Step 6: Final answer
    x = 203,983.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.