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Finding the Fourth Proportional to 554,589.48, 831,819.96 and 155,262.18

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Solution

The fourth proportional to 554,589.48, 831,819.96 and 155,262.18 is: 232,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,589.48 : 831,819.96 = 155,262.18 : x
  2. Step 2: Convert to fraction form
    554,589.48/831,819.96 = 155,262.18/x
  3. Step 3: Cross multiply
    554,589.48x = 831,819.96 × 155,262.18
  4. Step 4: Simplify right side
    554,589.48x = 129,150,180,357.11
  5. Step 5: Solve for x
    x = 129,150,180,357.11/554,589.48
  6. Step 6: Final answer
    x = 232,875.28

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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.