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Finding the Fourth Proportional to 586,824.40, 880,063.80 and 231,720.40

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Solution

The fourth proportional to 586,824.40, 880,063.80 and 231,720.40 is: 347,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,824.40 : 880,063.80 = 231,720.40 : x
  2. Step 2: Convert to fraction form
    586,824.40/880,063.80 = 231,720.40/x
  3. Step 3: Cross multiply
    586,824.40x = 880,063.80 × 231,720.40
  4. Step 4: Simplify right side
    586,824.40x = 203,928,735,761.52
  5. Step 5: Solve for x
    x = 203,928,735,761.52/586,824.40
  6. Step 6: Final answer
    x = 347,512.37

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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.