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Finding the Fourth Proportional to 323,234.72, 484,852.56 and 154,715.60

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Solution

The fourth proportional to 323,234.72, 484,852.56 and 154,715.60 is: 232,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,234.72 : 484,852.56 = 154,715.60 : x
  2. Step 2: Convert to fraction form
    323,234.72/484,852.56 = 154,715.60/x
  3. Step 3: Cross multiply
    323,234.72x = 484,852.56 × 154,715.60
  4. Step 4: Simplify right side
    323,234.72x = 75,014,254,731.94
  5. Step 5: Solve for x
    x = 75,014,254,731.94/323,234.72
  6. Step 6: Final answer
    x = 232,073.63

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1.5x scale

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.