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Finding the Fourth Proportional to 609,286.86, 840,815.19 and 341,014.86

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Solution

The fourth proportional to 609,286.86, 840,815.19 and 341,014.86 is: 470,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,286.86 : 840,815.19 = 341,014.86 : x
  2. Step 2: Convert to fraction form
    609,286.86/840,815.19 = 341,014.86/x
  3. Step 3: Cross multiply
    609,286.86x = 840,815.19 × 341,014.86
  4. Step 4: Simplify right side
    609,286.86x = 286,730,474,303.72
  5. Step 5: Solve for x
    x = 286,730,474,303.72/609,286.86
  6. Step 6: Final answer
    x = 470,600.13

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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.