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Finding the Fourth Proportional to 590,321.57, 885,912.48 and 235,437.08

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Solution

The fourth proportional to 590,321.57, 885,912.48 and 235,437.08 is: 353,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,321.57 : 885,912.48 = 235,437.08 : x
  2. Step 2: Convert to fraction form
    590,321.57/885,912.48 = 235,437.08/x
  3. Step 3: Cross multiply
    590,321.57x = 885,912.48 × 235,437.08
  4. Step 4: Simplify right side
    590,321.57x = 208,576,642,997.20
  5. Step 5: Solve for x
    x = 208,576,642,997.20/590,321.57
  6. Step 6: Final answer
    x = 353,327.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.