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Finding the Fourth Proportional to 585,744.48, 808,295.76 and 331,080.48

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Solution

The fourth proportional to 585,744.48, 808,295.76 and 331,080.48 is: 456,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,744.48 : 808,295.76 = 331,080.48 : x
  2. Step 2: Convert to fraction form
    585,744.48/808,295.76 = 331,080.48/x
  3. Step 3: Cross multiply
    585,744.48x = 808,295.76 × 331,080.48
  4. Step 4: Simplify right side
    585,744.48x = 267,610,948,202.77
  5. Step 5: Solve for x
    x = 267,610,948,202.77/585,744.48
  6. Step 6: Final answer
    x = 456,873.19

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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.