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Finding the Fourth Proportional to 543,000.04, 813,170.80 and 382,681.96

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Solution

The fourth proportional to 543,000.04, 813,170.80 and 382,681.96 is: 573,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,000.04 : 813,170.80 = 382,681.96 : x
  2. Step 2: Convert to fraction form
    543,000.04/813,170.80 = 382,681.96/x
  3. Step 3: Cross multiply
    543,000.04x = 813,170.80 × 382,681.96
  4. Step 4: Simplify right side
    543,000.04x = 311,185,795,558.77
  5. Step 5: Solve for x
    x = 311,185,795,558.77/543,000.04
  6. Step 6: Final answer
    x = 573,086.14

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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.