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Finding the Fourth Proportional to 459,774.82, 634,394.19 and 268,751.26

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Solution

The fourth proportional to 459,774.82, 634,394.19 and 268,751.26 is: 370,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,774.82 : 634,394.19 = 268,751.26 : x
  2. Step 2: Convert to fraction form
    459,774.82/634,394.19 = 268,751.26/x
  3. Step 3: Cross multiply
    459,774.82x = 634,394.19 × 268,751.26
  4. Step 4: Simplify right side
    459,774.82x = 170,494,237,899.18
  5. Step 5: Solve for x
    x = 170,494,237,899.18/459,774.82
  6. Step 6: Final answer
    x = 370,821.17

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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.