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Finding the Fourth Proportional to 884,574, 1,220,712.66 and 482,166

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Solution

The fourth proportional to 884,574, 1,220,712.66 and 482,166 is: 665,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,574 : 1,220,712.66 = 482,166 : x
  2. Step 2: Convert to fraction form
    884,574/1,220,712.66 = 482,166/x
  3. Step 3: Cross multiply
    884,574x = 1,220,712.66 × 482,166
  4. Step 4: Simplify right side
    884,574x = 588,586,140,421.56
  5. Step 5: Solve for x
    x = 588,586,140,421.56/884,574
  6. Step 6: Final answer
    x = 665,389.37

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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.