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Finding the Fourth Proportional to 554,581.08, 831,744.18 and 155,249.46

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Solution

The fourth proportional to 554,581.08, 831,744.18 and 155,249.46 is: 232,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,581.08 : 831,744.18 = 155,249.46 : x
  2. Step 2: Convert to fraction form
    554,581.08/831,744.18 = 155,249.46/x
  3. Step 3: Cross multiply
    554,581.08x = 831,744.18 × 155,249.46
  4. Step 4: Simplify right side
    554,581.08x = 129,127,834,803.14
  5. Step 5: Solve for x
    x = 129,127,834,803.14/554,581.08
  6. Step 6: Final answer
    x = 232,838.51

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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.