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Finding the Fourth Proportional to 468,617.86, 702,782.70 and 169,060.78

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Solution

The fourth proportional to 468,617.86, 702,782.70 and 169,060.78 is: 253,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,617.86 : 702,782.70 = 169,060.78 : x
  2. Step 2: Convert to fraction form
    468,617.86/702,782.70 = 169,060.78/x
  3. Step 3: Cross multiply
    468,617.86x = 702,782.70 × 169,060.78
  4. Step 4: Simplify right side
    468,617.86x = 118,812,991,432.51
  5. Step 5: Solve for x
    x = 118,812,991,432.51/468,617.86
  6. Step 6: Final answer
    x = 253,539.19

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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.