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Finding the Fourth Proportional to 555,003.35, 766,052.65 and 313,427.33

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Solution

The fourth proportional to 555,003.35, 766,052.65 and 313,427.33 is: 432,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,003.35 : 766,052.65 = 313,427.33 : x
  2. Step 2: Convert to fraction form
    555,003.35/766,052.65 = 313,427.33/x
  3. Step 3: Cross multiply
    555,003.35x = 766,052.65 × 313,427.33
  4. Step 4: Simplify right side
    555,003.35x = 240,101,836,728.93
  5. Step 5: Solve for x
    x = 240,101,836,728.93/555,003.35
  6. Step 6: Final answer
    x = 432,613.31

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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.