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Finding the Fourth Proportional to 307,622.60, 461,808.30 and 174,595.40

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Solution

The fourth proportional to 307,622.60, 461,808.30 and 174,595.40 is: 262,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,622.60 : 461,808.30 = 174,595.40 : x
  2. Step 2: Convert to fraction form
    307,622.60/461,808.30 = 174,595.40/x
  3. Step 3: Cross multiply
    307,622.60x = 461,808.30 × 174,595.40
  4. Step 4: Simplify right side
    307,622.60x = 80,629,604,861.82
  5. Step 5: Solve for x
    x = 80,629,604,861.82/307,622.60
  6. Step 6: Final answer
    x = 262,105.60

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1.5x scale

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.