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Finding the Fourth Proportional to 693,918, 957,606.84 and 375,966

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Solution

The fourth proportional to 693,918, 957,606.84 and 375,966 is: 518,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,918 : 957,606.84 = 375,966 : x
  2. Step 2: Convert to fraction form
    693,918/957,606.84 = 375,966/x
  3. Step 3: Cross multiply
    693,918x = 957,606.84 × 375,966
  4. Step 4: Simplify right side
    693,918x = 360,027,613,207.44
  5. Step 5: Solve for x
    x = 360,027,613,207.44/693,918
  6. Step 6: Final answer
    x = 518,833.08

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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.