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Finding the Fourth Proportional to 543,038.94, 813,376.89 and 364,754.70

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Solution

The fourth proportional to 543,038.94, 813,376.89 and 364,754.70 is: 546,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,038.94 : 813,376.89 = 364,754.70 : x
  2. Step 2: Convert to fraction form
    543,038.94/813,376.89 = 364,754.70/x
  3. Step 3: Cross multiply
    543,038.94x = 813,376.89 × 364,754.70
  4. Step 4: Simplify right side
    543,038.94x = 296,683,043,498.88
  5. Step 5: Solve for x
    x = 296,683,043,498.88/543,038.94
  6. Step 6: Final answer
    x = 546,338.43

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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.