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Finding the Fourth Proportional to 555,338.70, 765,794.60 and 475,032.06

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Solution

The fourth proportional to 555,338.70, 765,794.60 and 475,032.06 is: 655,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,338.70 : 765,794.60 = 475,032.06 : x
  2. Step 2: Convert to fraction form
    555,338.70/765,794.60 = 475,032.06/x
  3. Step 3: Cross multiply
    555,338.70x = 765,794.60 × 475,032.06
  4. Step 4: Simplify right side
    555,338.70x = 363,776,986,374.88
  5. Step 5: Solve for x
    x = 363,776,986,374.88/555,338.70
  6. Step 6: Final answer
    x = 655,054.27

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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.