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Finding the Fourth Proportional to 463,117.65, 694,579.28 and 130,615.89

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Solution

The fourth proportional to 463,117.65, 694,579.28 and 130,615.89 is: 195,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,117.65 : 694,579.28 = 130,615.89 : x
  2. Step 2: Convert to fraction form
    463,117.65/694,579.28 = 130,615.89/x
  3. Step 3: Cross multiply
    463,117.65x = 694,579.28 × 130,615.89
  4. Step 4: Simplify right side
    463,117.65x = 90,723,090,832.76
  5. Step 5: Solve for x
    x = 90,723,090,832.76/463,117.65
  6. Step 6: Final answer
    x = 195,896.42

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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.