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Finding the Fourth Proportional to 554,376.52, 831,557.49 and 133,649.02

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Solution

The fourth proportional to 554,376.52, 831,557.49 and 133,649.02 is: 200,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,376.52 : 831,557.49 = 133,649.02 : x
  2. Step 2: Convert to fraction form
    554,376.52/831,557.49 = 133,649.02/x
  3. Step 3: Cross multiply
    554,376.52x = 831,557.49 × 133,649.02
  4. Step 4: Simplify right side
    554,376.52x = 111,136,843,612.16
  5. Step 5: Solve for x
    x = 111,136,843,612.16/554,376.52
  6. Step 6: Final answer
    x = 200,471.77

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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.