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Finding the Fourth Proportional to 459,441.72, 634,086.54 and 258,237.72

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Solution

The fourth proportional to 459,441.72, 634,086.54 and 258,237.72 is: 356,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,441.72 : 634,086.54 = 258,237.72 : x
  2. Step 2: Convert to fraction form
    459,441.72/634,086.54 = 258,237.72/x
  3. Step 3: Cross multiply
    459,441.72x = 634,086.54 × 258,237.72
  4. Step 4: Simplify right side
    459,441.72x = 163,745,062,372.29
  5. Step 5: Solve for x
    x = 163,745,062,372.29/459,441.72
  6. Step 6: Final answer
    x = 356,400.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.