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Finding the Fourth Proportional to 581,846.76, 872,761.36 and 261,772.58

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Solution

The fourth proportional to 581,846.76, 872,761.36 and 261,772.58 is: 392,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,846.76 : 872,761.36 = 261,772.58 : x
  2. Step 2: Convert to fraction form
    581,846.76/872,761.36 = 261,772.58/x
  3. Step 3: Cross multiply
    581,846.76x = 872,761.36 × 261,772.58
  4. Step 4: Simplify right side
    581,846.76x = 228,464,992,931.51
  5. Step 5: Solve for x
    x = 228,464,992,931.51/581,846.76
  6. Step 6: Final answer
    x = 392,654.92

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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.