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Finding the Fourth Proportional to 446,152.52, 615,625.51 and 255,129

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Solution

The fourth proportional to 446,152.52, 615,625.51 and 255,129 is: 352,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,152.52 : 615,625.51 = 255,129 : x
  2. Step 2: Convert to fraction form
    446,152.52/615,625.51 = 255,129/x
  3. Step 3: Cross multiply
    446,152.52x = 615,625.51 × 255,129
  4. Step 4: Simplify right side
    446,152.52x = 157,063,920,102.97
  5. Step 5: Solve for x
    x = 157,063,920,102.97/446,152.52
  6. Step 6: Final answer
    x = 352,040.87

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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.