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Finding the Fourth Proportional to 802,777.80, 1,107,884.58 and 530,367.81

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Solution

The fourth proportional to 802,777.80, 1,107,884.58 and 530,367.81 is: 731,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,777.80 : 1,107,884.58 = 530,367.81 : x
  2. Step 2: Convert to fraction form
    802,777.80/1,107,884.58 = 530,367.81/x
  3. Step 3: Cross multiply
    802,777.80x = 1,107,884.58 × 530,367.81
  4. Step 4: Simplify right side
    802,777.80x = 587,586,318,427.37
  5. Step 5: Solve for x
    x = 587,586,318,427.37/802,777.80
  6. Step 6: Final answer
    x = 731,941.41

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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.