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Finding the Fourth Proportional to 534,755.40, 802,133.10 and 335,689.80

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Solution

The fourth proportional to 534,755.40, 802,133.10 and 335,689.80 is: 503,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,755.40 : 802,133.10 = 335,689.80 : x
  2. Step 2: Convert to fraction form
    534,755.40/802,133.10 = 335,689.80/x
  3. Step 3: Cross multiply
    534,755.40x = 802,133.10 × 335,689.80
  4. Step 4: Simplify right side
    534,755.40x = 269,267,899,912.38
  5. Step 5: Solve for x
    x = 269,267,899,912.38/534,755.40
  6. Step 6: Final answer
    x = 503,534.70

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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.