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Finding the Fourth Proportional to 560,684.60, 773,732.42 and 306,040.04

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Solution

The fourth proportional to 560,684.60, 773,732.42 and 306,040.04 is: 422,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,684.60 : 773,732.42 = 306,040.04 : x
  2. Step 2: Convert to fraction form
    560,684.60/773,732.42 = 306,040.04/x
  3. Step 3: Cross multiply
    560,684.60x = 773,732.42 × 306,040.04
  4. Step 4: Simplify right side
    560,684.60x = 236,793,100,766.10
  5. Step 5: Solve for x
    x = 236,793,100,766.10/560,684.60
  6. Step 6: Final answer
    x = 422,328.53

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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.