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Finding the Fourth Proportional to 297,070.60, 445,409.10 and 164,014.60

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Solution

The fourth proportional to 297,070.60, 445,409.10 and 164,014.60 is: 245,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,070.60 : 445,409.10 = 164,014.60 : x
  2. Step 2: Convert to fraction form
    297,070.60/445,409.10 = 164,014.60/x
  3. Step 3: Cross multiply
    297,070.60x = 445,409.10 × 164,014.60
  4. Step 4: Simplify right side
    297,070.60x = 73,053,595,372.86
  5. Step 5: Solve for x
    x = 73,053,595,372.86/297,070.60
  6. Step 6: Final answer
    x = 245,913.25

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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.