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Finding the Fourth Proportional to 470,593.08, 649,416.42 and 255,729.24

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Solution

The fourth proportional to 470,593.08, 649,416.42 and 255,729.24 is: 352,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,593.08 : 649,416.42 = 255,729.24 : x
  2. Step 2: Convert to fraction form
    470,593.08/649,416.42 = 255,729.24/x
  3. Step 3: Cross multiply
    470,593.08x = 649,416.42 × 255,729.24
  4. Step 4: Simplify right side
    470,593.08x = 166,074,767,530.12
  5. Step 5: Solve for x
    x = 166,074,767,530.12/470,593.08
  6. Step 6: Final answer
    x = 352,905.25

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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.