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Finding the Fourth Proportional to 474,273.21, 654,710.52 and 302,421.52

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Solution

The fourth proportional to 474,273.21, 654,710.52 and 302,421.52 is: 417,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,273.21 : 654,710.52 = 302,421.52 : x
  2. Step 2: Convert to fraction form
    474,273.21/654,710.52 = 302,421.52/x
  3. Step 3: Cross multiply
    474,273.21x = 654,710.52 × 302,421.52
  4. Step 4: Simplify right side
    474,273.21x = 197,998,550,618.39
  5. Step 5: Solve for x
    x = 197,998,550,618.39/474,273.21
  6. Step 6: Final answer
    x = 417,477.83

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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.