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Finding the Fourth Proportional to 298,967.05, 412,558.89 and 169,888.25

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Solution

The fourth proportional to 298,967.05, 412,558.89 and 169,888.25 is: 234,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,967.05 : 412,558.89 = 169,888.25 : x
  2. Step 2: Convert to fraction form
    298,967.05/412,558.89 = 169,888.25/x
  3. Step 3: Cross multiply
    298,967.05x = 412,558.89 × 169,888.25
  4. Step 4: Simplify right side
    298,967.05x = 70,088,908,238.36
  5. Step 5: Solve for x
    x = 70,088,908,238.36/298,967.05
  6. Step 6: Final answer
    x = 234,436.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.