Home / 470,067.52-648,693.18-255,207.60

Finding the Fourth Proportional to 470,067.52, 648,693.18 and 255,207.60

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Solution

The fourth proportional to 470,067.52, 648,693.18 and 255,207.60 is: 352,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,067.52 : 648,693.18 = 255,207.60 : x
  2. Step 2: Convert to fraction form
    470,067.52/648,693.18 = 255,207.60/x
  3. Step 3: Cross multiply
    470,067.52x = 648,693.18 × 255,207.60
  4. Step 4: Simplify right side
    470,067.52x = 165,551,429,604.17
  5. Step 5: Solve for x
    x = 165,551,429,604.17/470,067.52
  6. Step 6: Final answer
    x = 352,186.49

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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.