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Finding the Fourth Proportional to 424,742.59, 586,059.80 and 243,511.37

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Solution

The fourth proportional to 424,742.59, 586,059.80 and 243,511.37 is: 335,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,742.59 : 586,059.80 = 243,511.37 : x
  2. Step 2: Convert to fraction form
    424,742.59/586,059.80 = 243,511.37/x
  3. Step 3: Cross multiply
    424,742.59x = 586,059.80 × 243,511.37
  4. Step 4: Simplify right side
    424,742.59x = 142,712,222,478.41
  5. Step 5: Solve for x
    x = 142,712,222,478.41/424,742.59
  6. Step 6: Final answer
    x = 335,996.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.