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Finding the Fourth Proportional to 531,812, 797,270.56 and 247,358.04

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Solution

The fourth proportional to 531,812, 797,270.56 and 247,358.04 is: 370,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,812 : 797,270.56 = 247,358.04 : x
  2. Step 2: Convert to fraction form
    531,812/797,270.56 = 247,358.04/x
  3. Step 3: Cross multiply
    531,812x = 797,270.56 × 247,358.04
  4. Step 4: Simplify right side
    531,812x = 197,211,283,071.30
  5. Step 5: Solve for x
    x = 197,211,283,071.30/531,812
  6. Step 6: Final answer
    x = 370,828.95

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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.