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Finding the Fourth Proportional to 372,895.40, 514,571.40 and 219,898.52

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Solution

The fourth proportional to 372,895.40, 514,571.40 and 219,898.52 is: 303,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,895.40 : 514,571.40 = 219,898.52 : x
  2. Step 2: Convert to fraction form
    372,895.40/514,571.40 = 219,898.52/x
  3. Step 3: Cross multiply
    372,895.40x = 514,571.40 × 219,898.52
  4. Step 4: Simplify right side
    372,895.40x = 113,153,489,294.33
  5. Step 5: Solve for x
    x = 113,153,489,294.33/372,895.40
  6. Step 6: Final answer
    x = 303,445.66

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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.