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Finding the Fourth Proportional to 654,594.69, 903,352.92 and 382,685.79

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Solution

The fourth proportional to 654,594.69, 903,352.92 and 382,685.79 is: 528,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,594.69 : 903,352.92 = 382,685.79 : x
  2. Step 2: Convert to fraction form
    654,594.69/903,352.92 = 382,685.79/x
  3. Step 3: Cross multiply
    654,594.69x = 903,352.92 × 382,685.79
  4. Step 4: Simplify right side
    654,594.69x = 345,700,325,839.01
  5. Step 5: Solve for x
    x = 345,700,325,839.01/654,594.69
  6. Step 6: Final answer
    x = 528,113.55

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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.