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Finding the Fourth Proportional to 328,632.95, 492,944.30 and 168,616.54

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Solution

The fourth proportional to 328,632.95, 492,944.30 and 168,616.54 is: 252,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,632.95 : 492,944.30 = 168,616.54 : x
  2. Step 2: Convert to fraction form
    328,632.95/492,944.30 = 168,616.54/x
  3. Step 3: Cross multiply
    328,632.95x = 492,944.30 × 168,616.54
  4. Step 4: Simplify right side
    328,632.95x = 83,118,562,278.72
  5. Step 5: Solve for x
    x = 83,118,562,278.72/328,632.95
  6. Step 6: Final answer
    x = 252,922.18

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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.