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Finding the Fourth Proportional to 407,110.60, 610,374.30 and 170,331.40

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Solution

The fourth proportional to 407,110.60, 610,374.30 and 170,331.40 is: 255,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,110.60 : 610,374.30 = 170,331.40 : x
  2. Step 2: Convert to fraction form
    407,110.60/610,374.30 = 170,331.40/x
  3. Step 3: Cross multiply
    407,110.60x = 610,374.30 × 170,331.40
  4. Step 4: Simplify right side
    407,110.60x = 103,965,909,043.02
  5. Step 5: Solve for x
    x = 103,965,909,043.02/407,110.60
  6. Step 6: Final answer
    x = 255,375.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.