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Finding the Fourth Proportional to 667,295.64, 917,881.56 and 585,219.96

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Solution

The fourth proportional to 667,295.64, 917,881.56 and 585,219.96 is: 804,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,295.64 : 917,881.56 = 585,219.96 : x
  2. Step 2: Convert to fraction form
    667,295.64/917,881.56 = 585,219.96/x
  3. Step 3: Cross multiply
    667,295.64x = 917,881.56 × 585,219.96
  4. Step 4: Simplify right side
    667,295.64x = 537,162,609,827.94
  5. Step 5: Solve for x
    x = 537,162,609,827.94/667,295.64
  6. Step 6: Final answer
    x = 804,984.44

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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.