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Finding the Fourth Proportional to 554,274.90, 831,340.67 and 175,233.78

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Solution

The fourth proportional to 554,274.90, 831,340.67 and 175,233.78 is: 262,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,274.90 : 831,340.67 = 175,233.78 : x
  2. Step 2: Convert to fraction form
    554,274.90/831,340.67 = 175,233.78/x
  3. Step 3: Cross multiply
    554,274.90x = 831,340.67 × 175,233.78
  4. Step 4: Simplify right side
    554,274.90x = 145,678,967,195.66
  5. Step 5: Solve for x
    x = 145,678,967,195.66/554,274.90
  6. Step 6: Final answer
    x = 262,828.01

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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.