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Finding the Fourth Proportional to 559,769.80, 839,654.70 and 536,441.80

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Solution

The fourth proportional to 559,769.80, 839,654.70 and 536,441.80 is: 804,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,769.80 : 839,654.70 = 536,441.80 : x
  2. Step 2: Convert to fraction form
    559,769.80/839,654.70 = 536,441.80/x
  3. Step 3: Cross multiply
    559,769.80x = 839,654.70 × 536,441.80
  4. Step 4: Simplify right side
    559,769.80x = 450,425,878,646.46
  5. Step 5: Solve for x
    x = 450,425,878,646.46/559,769.80
  6. Step 6: Final answer
    x = 804,662.70

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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.