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Finding the Fourth Proportional to 458,240.64, 632,370.72 and 254,322.28

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Solution

The fourth proportional to 458,240.64, 632,370.72 and 254,322.28 is: 350,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,240.64 : 632,370.72 = 254,322.28 : x
  2. Step 2: Convert to fraction form
    458,240.64/632,370.72 = 254,322.28/x
  3. Step 3: Cross multiply
    458,240.64x = 632,370.72 × 254,322.28
  4. Step 4: Simplify right side
    458,240.64x = 160,825,963,315.64
  5. Step 5: Solve for x
    x = 160,825,963,315.64/458,240.64
  6. Step 6: Final answer
    x = 350,963.99

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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.