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Finding the Fourth Proportional to 554,409.30, 831,716.52 and 175,425.42

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Solution

The fourth proportional to 554,409.30, 831,716.52 and 175,425.42 is: 263,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,409.30 : 831,716.52 = 175,425.42 : x
  2. Step 2: Convert to fraction form
    554,409.30/831,716.52 = 175,425.42/x
  3. Step 3: Cross multiply
    554,409.30x = 831,716.52 × 175,425.42
  4. Step 4: Simplify right side
    554,409.30x = 145,904,219,841.94
  5. Step 5: Solve for x
    x = 145,904,219,841.94/554,409.30
  6. Step 6: Final answer
    x = 263,170.59

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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.