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Finding the Fourth Proportional to 459,563.63, 634,188.71 and 255,610.16

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Solution

The fourth proportional to 459,563.63, 634,188.71 and 255,610.16 is: 352,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,563.63 : 634,188.71 = 255,610.16 : x
  2. Step 2: Convert to fraction form
    459,563.63/634,188.71 = 255,610.16/x
  3. Step 3: Cross multiply
    459,563.63x = 634,188.71 × 255,610.16
  4. Step 4: Simplify right side
    459,563.63x = 162,105,081,046.90
  5. Step 5: Solve for x
    x = 162,105,081,046.90/459,563.63
  6. Step 6: Final answer
    x = 352,736.97

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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.