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Finding the Fourth Proportional to 438,399.52, 604,991.30 and 237,195.52

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Solution

The fourth proportional to 438,399.52, 604,991.30 and 237,195.52 is: 327,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,399.52 : 604,991.30 = 237,195.52 : x
  2. Step 2: Convert to fraction form
    438,399.52/604,991.30 = 237,195.52/x
  3. Step 3: Cross multiply
    438,399.52x = 604,991.30 × 237,195.52
  4. Step 4: Simplify right side
    438,399.52x = 143,501,225,998.98
  5. Step 5: Solve for x
    x = 143,501,225,998.98/438,399.52
  6. Step 6: Final answer
    x = 327,329.80

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1.5x scale

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.