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Finding the Fourth Proportional to 354,803.28, 531,824.04 and 176,958.96

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Solution

The fourth proportional to 354,803.28, 531,824.04 and 176,958.96 is: 265,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,803.28 : 531,824.04 = 176,958.96 : x
  2. Step 2: Convert to fraction form
    354,803.28/531,824.04 = 176,958.96/x
  3. Step 3: Cross multiply
    354,803.28x = 531,824.04 × 176,958.96
  4. Step 4: Simplify right side
    354,803.28x = 94,111,029,021.40
  5. Step 5: Solve for x
    x = 94,111,029,021.40/354,803.28
  6. Step 6: Final answer
    x = 265,248.48

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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.