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Finding the Fourth Proportional to 581,813.70, 872,712.72 and 227,076.90

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Solution

The fourth proportional to 581,813.70, 872,712.72 and 227,076.90 is: 340,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,813.70 : 872,712.72 = 227,076.90 : x
  2. Step 2: Convert to fraction form
    581,813.70/872,712.72 = 227,076.90/x
  3. Step 3: Cross multiply
    581,813.70x = 872,712.72 × 227,076.90
  4. Step 4: Simplify right side
    581,813.70x = 198,172,899,048.17
  5. Step 5: Solve for x
    x = 198,172,899,048.17/581,813.70
  6. Step 6: Final answer
    x = 340,612.29

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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.