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Finding the Fourth Proportional to 554,372.94, 831,432.27 and 155,041.92

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Solution

The fourth proportional to 554,372.94, 831,432.27 and 155,041.92 is: 232,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,372.94 : 831,432.27 = 155,041.92 : x
  2. Step 2: Convert to fraction form
    554,372.94/831,432.27 = 155,041.92/x
  3. Step 3: Cross multiply
    554,372.94x = 831,432.27 × 155,041.92
  4. Step 4: Simplify right side
    554,372.94x = 128,906,857,974.51
  5. Step 5: Solve for x
    x = 128,906,857,974.51/554,372.94
  6. Step 6: Final answer
    x = 232,527.33

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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.