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Finding the Fourth Proportional to 587,394.57, 810,448.23 and 338,973.58

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Solution

The fourth proportional to 587,394.57, 810,448.23 and 338,973.58 is: 467,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,394.57 : 810,448.23 = 338,973.58 : x
  2. Step 2: Convert to fraction form
    587,394.57/810,448.23 = 338,973.58/x
  3. Step 3: Cross multiply
    587,394.57x = 810,448.23 × 338,973.58
  4. Step 4: Simplify right side
    587,394.57x = 274,720,540,211.98
  5. Step 5: Solve for x
    x = 274,720,540,211.98/587,394.57
  6. Step 6: Final answer
    x = 467,693.36

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1.5x scale

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.