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Finding the Fourth Proportional to 484,388.96, 668,472.72 and 303,042.92

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Solution

The fourth proportional to 484,388.96, 668,472.72 and 303,042.92 is: 418,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,388.96 : 668,472.72 = 303,042.92 : x
  2. Step 2: Convert to fraction form
    484,388.96/668,472.72 = 303,042.92/x
  3. Step 3: Cross multiply
    484,388.96x = 668,472.72 × 303,042.92
  4. Step 4: Simplify right side
    484,388.96x = 202,575,925,009.14
  5. Step 5: Solve for x
    x = 202,575,925,009.14/484,388.96
  6. Step 6: Final answer
    x = 418,209.21

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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.