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Finding the Fourth Proportional to 302,605.59, 417,470.39 and 180,073.44

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Solution

The fourth proportional to 302,605.59, 417,470.39 and 180,073.44 is: 248,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,605.59 : 417,470.39 = 180,073.44 : x
  2. Step 2: Convert to fraction form
    302,605.59/417,470.39 = 180,073.44/x
  3. Step 3: Cross multiply
    302,605.59x = 417,470.39 × 180,073.44
  4. Step 4: Simplify right side
    302,605.59x = 75,175,329,675.63
  5. Step 5: Solve for x
    x = 75,175,329,675.63/302,605.59
  6. Step 6: Final answer
    x = 248,426.77

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1.5x scale

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.