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Finding the Fourth Proportional to 569,345.81, 785,598.42 and 351,676.43

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Solution

The fourth proportional to 569,345.81, 785,598.42 and 351,676.43 is: 485,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,345.81 : 785,598.42 = 351,676.43 : x
  2. Step 2: Convert to fraction form
    569,345.81/785,598.42 = 351,676.43/x
  3. Step 3: Cross multiply
    569,345.81x = 785,598.42 × 351,676.43
  4. Step 4: Simplify right side
    569,345.81x = 276,276,451,525.93
  5. Step 5: Solve for x
    x = 276,276,451,525.93/569,345.81
  6. Step 6: Final answer
    x = 485,252.45

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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.