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Finding the Fourth Proportional to 607,471.29, 838,306.40 and 335,556.72

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Solution

The fourth proportional to 607,471.29, 838,306.40 and 335,556.72 is: 463,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,471.29 : 838,306.40 = 335,556.72 : x
  2. Step 2: Convert to fraction form
    607,471.29/838,306.40 = 335,556.72/x
  3. Step 3: Cross multiply
    607,471.29x = 838,306.40 × 335,556.72
  4. Step 4: Simplify right side
    607,471.29x = 281,299,344,261.22
  5. Step 5: Solve for x
    x = 281,299,344,261.22/607,471.29
  6. Step 6: Final answer
    x = 463,066.07

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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.