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Finding the Fourth Proportional to 468,350.59, 646,323.78 and 253,490.62

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Solution

The fourth proportional to 468,350.59, 646,323.78 and 253,490.62 is: 349,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,350.59 : 646,323.78 = 253,490.62 : x
  2. Step 2: Convert to fraction form
    468,350.59/646,323.78 = 253,490.62/x
  3. Step 3: Cross multiply
    468,350.59x = 646,323.78 × 253,490.62
  4. Step 4: Simplify right side
    468,350.59x = 163,837,015,712.94
  5. Step 5: Solve for x
    x = 163,837,015,712.94/468,350.59
  6. Step 6: Final answer
    x = 349,817.04

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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.