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Finding the Fourth Proportional to 673,716.74, 930,062.52 and 415,735.79

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Solution

The fourth proportional to 673,716.74, 930,062.52 and 415,735.79 is: 573,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,716.74 : 930,062.52 = 415,735.79 : x
  2. Step 2: Convert to fraction form
    673,716.74/930,062.52 = 415,735.79/x
  3. Step 3: Cross multiply
    673,716.74x = 930,062.52 × 415,735.79
  4. Step 4: Simplify right side
    673,716.74x = 386,660,271,851.28
  5. Step 5: Solve for x
    x = 386,660,271,851.28/673,716.74
  6. Step 6: Final answer
    x = 573,921.13

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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.