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Finding the Fourth Proportional to 707,591.04, 976,446.32 and 385,300.38

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Solution

The fourth proportional to 707,591.04, 976,446.32 and 385,300.38 is: 531,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,591.04 : 976,446.32 = 385,300.38 : x
  2. Step 2: Convert to fraction form
    707,591.04/976,446.32 = 385,300.38/x
  3. Step 3: Cross multiply
    707,591.04x = 976,446.32 × 385,300.38
  4. Step 4: Simplify right side
    707,591.04x = 376,225,138,145.60
  5. Step 5: Solve for x
    x = 376,225,138,145.60/707,591.04
  6. Step 6: Final answer
    x = 531,698.56

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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.