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Finding the Fourth Proportional to 471,250.20, 707,220.90 and 313,426.20

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Solution

The fourth proportional to 471,250.20, 707,220.90 and 313,426.20 is: 470,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,250.20 : 707,220.90 = 313,426.20 : x
  2. Step 2: Convert to fraction form
    471,250.20/707,220.90 = 313,426.20/x
  3. Step 3: Cross multiply
    471,250.20x = 707,220.90 × 313,426.20
  4. Step 4: Simplify right side
    471,250.20x = 221,661,559,247.58
  5. Step 5: Solve for x
    x = 221,661,559,247.58/471,250.20
  6. Step 6: Final answer
    x = 470,369.16

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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.