Home / 470,338.30-649,069.37-255,480.13

Finding the Fourth Proportional to 470,338.30, 649,069.37 and 255,480.13

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Solution

The fourth proportional to 470,338.30, 649,069.37 and 255,480.13 is: 352,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,338.30 : 649,069.37 = 255,480.13 : x
  2. Step 2: Convert to fraction form
    470,338.30/649,069.37 = 255,480.13/x
  3. Step 3: Cross multiply
    470,338.30x = 649,069.37 × 255,480.13
  4. Step 4: Simplify right side
    470,338.30x = 165,824,327,026.62
  5. Step 5: Solve for x
    x = 165,824,327,026.62/470,338.30
  6. Step 6: Final answer
    x = 352,563.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.