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Finding the Fourth Proportional to 554,476.90, 831,745.60 and 175,369.32

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Solution

The fourth proportional to 554,476.90, 831,745.60 and 175,369.32 is: 263,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,476.90 : 831,745.60 = 175,369.32 : x
  2. Step 2: Convert to fraction form
    554,476.90/831,745.60 = 175,369.32/x
  3. Step 3: Cross multiply
    554,476.90x = 831,745.60 × 175,369.32
  4. Step 4: Simplify right side
    554,476.90x = 145,862,660,284.99
  5. Step 5: Solve for x
    x = 145,862,660,284.99/554,476.90
  6. Step 6: Final answer
    x = 263,063.55

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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.