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Finding the Fourth Proportional to 470,362.32, 649,104.84 and 255,506.64

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Solution

The fourth proportional to 470,362.32, 649,104.84 and 255,506.64 is: 352,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,362.32 : 649,104.84 = 255,506.64 : x
  2. Step 2: Convert to fraction form
    470,362.32/649,104.84 = 255,506.64/x
  3. Step 3: Cross multiply
    470,362.32x = 649,104.84 × 255,506.64
  4. Step 4: Simplify right side
    470,362.32x = 165,850,596,676.14
  5. Step 5: Solve for x
    x = 165,850,596,676.14/470,362.32
  6. Step 6: Final answer
    x = 352,601.79

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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.