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Finding the Fourth Proportional to 609,310.36, 840,847.62 and 341,038.36

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Solution

The fourth proportional to 609,310.36, 840,847.62 and 341,038.36 is: 470,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,310.36 : 840,847.62 = 341,038.36 : x
  2. Step 2: Convert to fraction form
    609,310.36/840,847.62 = 341,038.36/x
  3. Step 3: Cross multiply
    609,310.36x = 840,847.62 × 341,038.36
  4. Step 4: Simplify right side
    609,310.36x = 286,761,293,334.70
  5. Step 5: Solve for x
    x = 286,761,293,334.70/609,310.36
  6. Step 6: Final answer
    x = 470,632.56

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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.