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Finding the Fourth Proportional to 326,338.76, 489,507.46 and 184,119.47

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Solution

The fourth proportional to 326,338.76, 489,507.46 and 184,119.47 is: 276,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,338.76 : 489,507.46 = 184,119.47 : x
  2. Step 2: Convert to fraction form
    326,338.76/489,507.46 = 184,119.47/x
  3. Step 3: Cross multiply
    326,338.76x = 489,507.46 × 184,119.47
  4. Step 4: Simplify right side
    326,338.76x = 90,127,853,196.68
  5. Step 5: Solve for x
    x = 90,127,853,196.68/326,338.76
  6. Step 6: Final answer
    x = 276,178.82

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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.