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Finding the Fourth Proportional to 470,825.58, 649,752.12 and 255,980.46

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Solution

The fourth proportional to 470,825.58, 649,752.12 and 255,980.46 is: 353,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,825.58 : 649,752.12 = 255,980.46 : x
  2. Step 2: Convert to fraction form
    470,825.58/649,752.12 = 255,980.46/x
  3. Step 3: Cross multiply
    470,825.58x = 649,752.12 × 255,980.46
  4. Step 4: Simplify right side
    470,825.58x = 166,323,846,563.58
  5. Step 5: Solve for x
    x = 166,323,846,563.58/470,825.58
  6. Step 6: Final answer
    x = 353,260.00

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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.