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Finding the Fourth Proportional to 468,992.64, 703,554.48 and 153,386.64

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Solution

The fourth proportional to 468,992.64, 703,554.48 and 153,386.64 is: 230,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,992.64 : 703,554.48 = 153,386.64 : x
  2. Step 2: Convert to fraction form
    468,992.64/703,554.48 = 153,386.64/x
  3. Step 3: Cross multiply
    468,992.64x = 703,554.48 × 153,386.64
  4. Step 4: Simplify right side
    468,992.64x = 107,915,857,744.15
  5. Step 5: Solve for x
    x = 107,915,857,744.15/468,992.64
  6. Step 6: Final answer
    x = 230,101.39

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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.