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Finding the Fourth Proportional to 459,489.84, 634,002.96 and 268,466.32

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Solution

The fourth proportional to 459,489.84, 634,002.96 and 268,466.32 is: 370,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,489.84 : 634,002.96 = 268,466.32 : x
  2. Step 2: Convert to fraction form
    459,489.84/634,002.96 = 268,466.32/x
  3. Step 3: Cross multiply
    459,489.84x = 634,002.96 × 268,466.32
  4. Step 4: Simplify right side
    459,489.84x = 170,208,441,540.31
  5. Step 5: Solve for x
    x = 170,208,441,540.31/459,489.84
  6. Step 6: Final answer
    x = 370,429.17

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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.