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Finding the Fourth Proportional to 302,235.80, 452,964.90 and 183,781.40

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Solution

The fourth proportional to 302,235.80, 452,964.90 and 183,781.40 is: 275,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,235.80 : 452,964.90 = 183,781.40 : x
  2. Step 2: Convert to fraction form
    302,235.80/452,964.90 = 183,781.40/x
  3. Step 3: Cross multiply
    302,235.80x = 452,964.90 × 183,781.40
  4. Step 4: Simplify right side
    302,235.80x = 83,246,523,472.86
  5. Step 5: Solve for x
    x = 83,246,523,472.86/302,235.80
  6. Step 6: Final answer
    x = 275,435.68

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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.