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Finding the Fourth Proportional to 323,048.70, 484,607.07 and 112,688.46

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Solution

The fourth proportional to 323,048.70, 484,607.07 and 112,688.46 is: 169,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,048.70 : 484,607.07 = 112,688.46 : x
  2. Step 2: Convert to fraction form
    323,048.70/484,607.07 = 112,688.46/x
  3. Step 3: Cross multiply
    323,048.70x = 484,607.07 × 112,688.46
  4. Step 4: Simplify right side
    323,048.70x = 54,609,624,423.41
  5. Step 5: Solve for x
    x = 54,609,624,423.41/323,048.70
  6. Step 6: Final answer
    x = 169,044.56

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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.