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Finding the Fourth Proportional to 434,553.60, 651,943.80 and 168,322.80

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Solution

The fourth proportional to 434,553.60, 651,943.80 and 168,322.80 is: 252,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,553.60 : 651,943.80 = 168,322.80 : x
  2. Step 2: Convert to fraction form
    434,553.60/651,943.80 = 168,322.80/x
  3. Step 3: Cross multiply
    434,553.60x = 651,943.80 × 168,322.80
  4. Step 4: Simplify right side
    434,553.60x = 109,737,005,858.64
  5. Step 5: Solve for x
    x = 109,737,005,858.64/434,553.60
  6. Step 6: Final answer
    x = 252,528.13

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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.