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Finding the Fourth Proportional to 304,850.90, 457,276.35 and 302,777.30

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Solution

The fourth proportional to 304,850.90, 457,276.35 and 302,777.30 is: 454,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,850.90 : 457,276.35 = 302,777.30 : x
  2. Step 2: Convert to fraction form
    304,850.90/457,276.35 = 302,777.30/x
  3. Step 3: Cross multiply
    304,850.90x = 457,276.35 × 302,777.30
  4. Step 4: Simplify right side
    304,850.90x = 138,452,898,606.86
  5. Step 5: Solve for x
    x = 138,452,898,606.86/304,850.90
  6. Step 6: Final answer
    x = 454,165.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.