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Finding the Fourth Proportional to 427,893.99, 590,502.87 and 234,309.93

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Solution

The fourth proportional to 427,893.99, 590,502.87 and 234,309.93 is: 323,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,893.99 : 590,502.87 = 234,309.93 : x
  2. Step 2: Convert to fraction form
    427,893.99/590,502.87 = 234,309.93/x
  3. Step 3: Cross multiply
    427,893.99x = 590,502.87 × 234,309.93
  4. Step 4: Simplify right side
    427,893.99x = 138,360,686,134.50
  5. Step 5: Solve for x
    x = 138,360,686,134.50/427,893.99
  6. Step 6: Final answer
    x = 323,352.72

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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.