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Finding the Fourth Proportional to 470,250.52, 648,949.53 and 255,392.12

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Solution

The fourth proportional to 470,250.52, 648,949.53 and 255,392.12 is: 352,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,250.52 : 648,949.53 = 255,392.12 : x
  2. Step 2: Convert to fraction form
    470,250.52/648,949.53 = 255,392.12/x
  3. Step 3: Cross multiply
    470,250.52x = 648,949.53 × 255,392.12
  4. Step 4: Simplify right side
    470,250.52x = 165,736,597,024.07
  5. Step 5: Solve for x
    x = 165,736,597,024.07/470,250.52
  6. Step 6: Final answer
    x = 352,443.20

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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.