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Finding the Fourth Proportional to 459,512.52, 634,121.64 and 258,308.52

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Solution

The fourth proportional to 459,512.52, 634,121.64 and 258,308.52 is: 356,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,512.52 : 634,121.64 = 258,308.52 : x
  2. Step 2: Convert to fraction form
    459,512.52/634,121.64 = 258,308.52/x
  3. Step 3: Cross multiply
    459,512.52x = 634,121.64 × 258,308.52
  4. Step 4: Simplify right side
    459,512.52x = 163,799,022,328.37
  5. Step 5: Solve for x
    x = 163,799,022,328.37/459,512.52
  6. Step 6: Final answer
    x = 356,462.59

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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.