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Finding the Fourth Proportional to 534,669.80, 802,004.70 and 331,716.20

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Solution

The fourth proportional to 534,669.80, 802,004.70 and 331,716.20 is: 497,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,669.80 : 802,004.70 = 331,716.20 : x
  2. Step 2: Convert to fraction form
    534,669.80/802,004.70 = 331,716.20/x
  3. Step 3: Cross multiply
    534,669.80x = 802,004.70 × 331,716.20
  4. Step 4: Simplify right side
    534,669.80x = 266,037,951,466.14
  5. Step 5: Solve for x
    x = 266,037,951,466.14/534,669.80
  6. Step 6: Final answer
    x = 497,574.30

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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.