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Finding the Fourth Proportional to 458,563.28, 632,818.55 and 254,614.59

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Solution

The fourth proportional to 458,563.28, 632,818.55 and 254,614.59 is: 351,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,563.28 : 632,818.55 = 254,614.59 : x
  2. Step 2: Convert to fraction form
    458,563.28/632,818.55 = 254,614.59/x
  3. Step 3: Cross multiply
    458,563.28x = 632,818.55 × 254,614.59
  4. Step 4: Simplify right side
    458,563.28x = 161,124,835,573.08
  5. Step 5: Solve for x
    x = 161,124,835,573.08/458,563.28
  6. Step 6: Final answer
    x = 351,368.82

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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.