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Finding the Fourth Proportional to 470,696.76, 649,565.84 and 255,837.32

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Solution

The fourth proportional to 470,696.76, 649,565.84 and 255,837.32 is: 353,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,696.76 : 649,565.84 = 255,837.32 : x
  2. Step 2: Convert to fraction form
    470,696.76/649,565.84 = 255,837.32/x
  3. Step 3: Cross multiply
    470,696.76x = 649,565.84 × 255,837.32
  4. Step 4: Simplify right side
    470,696.76x = 166,183,183,669.15
  5. Step 5: Solve for x
    x = 166,183,183,669.15/470,696.76
  6. Step 6: Final answer
    x = 353,057.84

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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.