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Finding the Fourth Proportional to 313,605.20, 470,062.20 and 173,464.40

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Solution

The fourth proportional to 313,605.20, 470,062.20 and 173,464.40 is: 260,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,605.20 : 470,062.20 = 173,464.40 : x
  2. Step 2: Convert to fraction form
    313,605.20/470,062.20 = 173,464.40/x
  3. Step 3: Cross multiply
    313,605.20x = 470,062.20 × 173,464.40
  4. Step 4: Simplify right side
    313,605.20x = 81,539,057,485.68
  5. Step 5: Solve for x
    x = 81,539,057,485.68/313,605.20
  6. Step 6: Final answer
    x = 260,005.44

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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.