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Finding the Fourth Proportional to 459,603.88, 634,175.46 and 255,627.88

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Solution

The fourth proportional to 459,603.88, 634,175.46 and 255,627.88 is: 352,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,603.88 : 634,175.46 = 255,627.88 : x
  2. Step 2: Convert to fraction form
    459,603.88/634,175.46 = 255,627.88/x
  3. Step 3: Cross multiply
    459,603.88x = 634,175.46 × 255,627.88
  4. Step 4: Simplify right side
    459,603.88x = 162,112,928,387.83
  5. Step 5: Solve for x
    x = 162,112,928,387.83/459,603.88
  6. Step 6: Final answer
    x = 352,723.15

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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.