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Finding the Fourth Proportional to 559,620.55, 839,123.02 and 382,327.75

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Solution

The fourth proportional to 559,620.55, 839,123.02 and 382,327.75 is: 573,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,620.55 : 839,123.02 = 382,327.75 : x
  2. Step 2: Convert to fraction form
    559,620.55/839,123.02 = 382,327.75/x
  3. Step 3: Cross multiply
    559,620.55x = 839,123.02 × 382,327.75
  4. Step 4: Simplify right side
    559,620.55x = 320,820,016,209.81
  5. Step 5: Solve for x
    x = 320,820,016,209.81/559,620.55
  6. Step 6: Final answer
    x = 573,281.34

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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.