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Finding the Fourth Proportional to 585,216.27, 807,631.29 and 343,568.97

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Solution

The fourth proportional to 585,216.27, 807,631.29 and 343,568.97 is: 474,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,216.27 : 807,631.29 = 343,568.97 : x
  2. Step 2: Convert to fraction form
    585,216.27/807,631.29 = 343,568.97/x
  3. Step 3: Cross multiply
    585,216.27x = 807,631.29 × 343,568.97
  4. Step 4: Simplify right side
    585,216.27x = 277,477,050,445.07
  5. Step 5: Solve for x
    x = 277,477,050,445.07/585,216.27
  6. Step 6: Final answer
    x = 474,144.46

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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.