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Finding the Fourth Proportional to 586,273.67, 878,818.45 and 282,221.27

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Solution

The fourth proportional to 586,273.67, 878,818.45 and 282,221.27 is: 423,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,273.67 : 878,818.45 = 282,221.27 : x
  2. Step 2: Convert to fraction form
    586,273.67/878,818.45 = 282,221.27/x
  3. Step 3: Cross multiply
    586,273.67x = 878,818.45 × 282,221.27
  4. Step 4: Simplify right side
    586,273.67x = 248,021,254,664.34
  5. Step 5: Solve for x
    x = 248,021,254,664.34/586,273.67
  6. Step 6: Final answer
    x = 423,046.90

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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.