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Finding the Fourth Proportional to 470,632.41, 649,477.73 and 255,772.46

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Solution

The fourth proportional to 470,632.41, 649,477.73 and 255,772.46 is: 352,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,632.41 : 649,477.73 = 255,772.46 : x
  2. Step 2: Convert to fraction form
    470,632.41/649,477.73 = 255,772.46/x
  3. Step 3: Cross multiply
    470,632.41x = 649,477.73 × 255,772.46
  4. Step 4: Simplify right side
    470,632.41x = 166,118,518,980.44
  5. Step 5: Solve for x
    x = 166,118,518,980.44/470,632.41
  6. Step 6: Final answer
    x = 352,968.72

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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.