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Finding the Fourth Proportional to 531,811.50, 797,269.80 and 247,357.50

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Solution

The fourth proportional to 531,811.50, 797,269.80 and 247,357.50 is: 370,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,811.50 : 797,269.80 = 247,357.50 : x
  2. Step 2: Convert to fraction form
    531,811.50/797,269.80 = 247,357.50/x
  3. Step 3: Cross multiply
    531,811.50x = 797,269.80 × 247,357.50
  4. Step 4: Simplify right side
    531,811.50x = 197,210,664,553.50
  5. Step 5: Solve for x
    x = 197,210,664,553.50/531,811.50
  6. Step 6: Final answer
    x = 370,828.13

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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.