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Finding the Fourth Proportional to 459,644.58, 634,232.34 and 255,668.58

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Solution

The fourth proportional to 459,644.58, 634,232.34 and 255,668.58 is: 352,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,644.58 : 634,232.34 = 255,668.58 : x
  2. Step 2: Convert to fraction form
    459,644.58/634,232.34 = 255,668.58/x
  3. Step 3: Cross multiply
    459,644.58x = 634,232.34 × 255,668.58
  4. Step 4: Simplify right side
    459,644.58x = 162,153,281,757.88
  5. Step 5: Solve for x
    x = 162,153,281,757.88/459,644.58
  6. Step 6: Final answer
    x = 352,779.71

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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.