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Finding the Fourth Proportional to 659,696.16, 910,362.72 and 365,335.68

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Solution

The fourth proportional to 659,696.16, 910,362.72 and 365,335.68 is: 504,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,696.16 : 910,362.72 = 365,335.68 : x
  2. Step 2: Convert to fraction form
    659,696.16/910,362.72 = 365,335.68/x
  3. Step 3: Cross multiply
    659,696.16x = 910,362.72 × 365,335.68
  4. Step 4: Simplify right side
    659,696.16x = 332,587,983,357.85
  5. Step 5: Solve for x
    x = 332,587,983,357.85/659,696.16
  6. Step 6: Final answer
    x = 504,153.28

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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.