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Finding the Fourth Proportional to 535,487.80, 802,739.58 and 231,692.08

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Solution

The fourth proportional to 535,487.80, 802,739.58 and 231,692.08 is: 347,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,487.80 : 802,739.58 = 231,692.08 : x
  2. Step 2: Convert to fraction form
    535,487.80/802,739.58 = 231,692.08/x
  3. Step 3: Cross multiply
    535,487.80x = 802,739.58 × 231,692.08
  4. Step 4: Simplify right side
    535,487.80x = 185,988,402,988.53
  5. Step 5: Solve for x
    x = 185,988,402,988.53/535,487.80
  6. Step 6: Final answer
    x = 347,325.19

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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.