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Finding the Fourth Proportional to 221,560.07, 332,340.09 and 176,978.07

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Solution

The fourth proportional to 221,560.07, 332,340.09 and 176,978.07 is: 265,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,560.07 : 332,340.09 = 176,978.07 : x
  2. Step 2: Convert to fraction form
    221,560.07/332,340.09 = 176,978.07/x
  3. Step 3: Cross multiply
    221,560.07x = 332,340.09 × 176,978.07
  4. Step 4: Simplify right side
    221,560.07x = 58,816,907,711.83
  5. Step 5: Solve for x
    x = 58,816,907,711.83/221,560.07
  6. Step 6: Final answer
    x = 265,467.10

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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.