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Finding the Fourth Proportional to 531,353.40, 796,511.70 and 475,366.20

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Solution

The fourth proportional to 531,353.40, 796,511.70 and 475,366.20 is: 712,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,353.40 : 796,511.70 = 475,366.20 : x
  2. Step 2: Convert to fraction form
    531,353.40/796,511.70 = 475,366.20/x
  3. Step 3: Cross multiply
    531,353.40x = 796,511.70 × 475,366.20
  4. Step 4: Simplify right side
    531,353.40x = 378,634,740,084.54
  5. Step 5: Solve for x
    x = 378,634,740,084.54/531,353.40
  6. Step 6: Final answer
    x = 712,585.52

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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.