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Finding the Fourth Proportional to 469,432.89, 703,838.25 and 169,874.51

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Solution

The fourth proportional to 469,432.89, 703,838.25 and 169,874.51 is: 254,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,432.89 : 703,838.25 = 169,874.51 : x
  2. Step 2: Convert to fraction form
    469,432.89/703,838.25 = 169,874.51/x
  3. Step 3: Cross multiply
    469,432.89x = 703,838.25 × 169,874.51
  4. Step 4: Simplify right side
    469,432.89x = 119,564,174,318.82
  5. Step 5: Solve for x
    x = 119,564,174,318.82/469,432.89
  6. Step 6: Final answer
    x = 254,699.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.