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Finding the Fourth Proportional to 534,721.80, 802,082.70 and 179,617.80

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Solution

The fourth proportional to 534,721.80, 802,082.70 and 179,617.80 is: 269,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,721.80 : 802,082.70 = 179,617.80 : x
  2. Step 2: Convert to fraction form
    534,721.80/802,082.70 = 179,617.80/x
  3. Step 3: Cross multiply
    534,721.80x = 802,082.70 × 179,617.80
  4. Step 4: Simplify right side
    534,721.80x = 144,068,329,992.06
  5. Step 5: Solve for x
    x = 144,068,329,992.06/534,721.80
  6. Step 6: Final answer
    x = 269,426.70

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1.5x scale

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.