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Finding the Fourth Proportional to 508,618.69, 702,476.33 and 334,965.17

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Solution

The fourth proportional to 508,618.69, 702,476.33 and 334,965.17 is: 462,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,618.69 : 702,476.33 = 334,965.17 : x
  2. Step 2: Convert to fraction form
    508,618.69/702,476.33 = 334,965.17/x
  3. Step 3: Cross multiply
    508,618.69x = 702,476.33 × 334,965.17
  4. Step 4: Simplify right side
    508,618.69x = 235,305,099,787.04
  5. Step 5: Solve for x
    x = 235,305,099,787.04/508,618.69
  6. Step 6: Final answer
    x = 462,635.57

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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.